639641600000

素因数分解:

$2^{14}\times 5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:128

約数の個数: 540

約数和(自身を含む): 1779287813604

約数和(自身を除く): 1139646213604

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 125, 128, 130, 155, 160, 200, 208, 248, 250, 256, 260, 310, 320, 325, 400, 403, 416, 496, 500, 512, 520, 620, 625, 640, 650, 775, 800, 806, 832, 961, 992, 1000, 1024, 1040, 1240, 1250, 1280, 1300, 1550, 1600, 1612, 1625, 1664, 1922, 1984, 2000, 2015, 2048, 2080, 2480, 2500, 2560, 2600, 3100, 3125, 3200, 3224, 3250, 3328, 3844, 3875, 3968, 4000, 4030, 4096, 4160, 4805, 4960, 5000, 5120, 5200, 6200, 6250, 6400, 6448, 6500, 6656, 7688, 7750, 7936, 8000, 8060, 8125, 8192, 8320, 9610, 9920, 10000, 10075, 10240, 10400, 12400, 12493, 12500, 12800, 12896, 13000, 13312, 15376, 15500, 15872, 16000, 16120, 16250, 16384, 16640, 19220, 19375, 19840, 20000, 20150, 20480, 20800, 24025, 24800, 24986, 25000, 25600, 25792, 26000, 26624, 30752, 31000, 31744, 32000, 32240, 32500, 33280, 38440, 38750, 39680, 40000, 40300, 40625, 40960, 41600, 48050, 49600, 49972, 50000, 50375, 51200, 51584, 52000, 53248, 61504, 62000, 62465, 63488, 64000, 64480, 65000, 66560, 76880, 77500, 79360, 80000, 80600, 81250, 81920, 83200, 96100, 96875, 99200, 99944, 100000, 100750, 102400, 103168, 104000, 106496, 120125, 123008, 124000, 124930, 126976, 128000, 128960, 130000, 133120, 153760, 155000, 158720, 160000, 161200, 162500, 166400, 192200, 193750, 198400, 199888, 200000, 201500, 204800, 206336, 208000, 212992, 240250, 246016, 248000, 249860, 251875, 253952, 256000, 257920, 260000, 266240, 307520, 310000, 312325, 317440, 320000, 322400, 325000, 332800, 384400, 387500, 396800, 399776, 400000, 403000, 409600, 412672, 416000, 480500, 492032, 496000, 499720, 503750, 507904, 512000, 515840, 520000, 532480, 600625, 615040, 620000, 624650, 634880, 640000, 644800, 650000, 665600, 768800, 775000, 793600, 799552, 800000, 806000, 825344, 832000, 961000, 984064, 992000, 999440, 1007500, 1024000, 1031680, 1040000, 1064960, 1201250, 1230080, 1240000, 1249300, 1259375, 1269760, 1280000, 1289600, 1300000, 1331200, 1537600, 1550000, 1561625, 1587200, 1599104, 1600000, 1612000, 1650688, 1664000, 1922000, 1968128, 1984000, 1998880, 2015000, 2048000, 2063360, 2080000, 2402500, 2460160, 2480000, 2498600, 2518750, 2539520, 2560000, 2579200, 2600000, 2662400, 3003125, 3075200, 3100000, 3123250, 3174400, 3198208, 3200000, 3224000, 3301376, 3328000, 3844000, 3936256, 3968000, 3997760, 4030000, 4126720, 4160000, 4805000, 4920320, 4960000, 4997200, 5037500, 5120000, 5158400, 5200000, 5324800, 6006250, 6150400, 6200000, 6246500, 6348800, 6396416, 6400000, 6448000, 6602752, 6656000, 7688000, 7808125, 7872512, 7936000, 7995520, 8060000, 8253440, 8320000, 9610000, 9840640, 9920000, 9994400, 10075000, 10240000, 10316800, 10400000, 12012500, 12300800, 12400000, 12493000, 12697600, 12792832, 12800000, 12896000, 13312000, 15376000, 15616250, 15745024, 15872000, 15991040, 16120000, 16506880, 16640000, 19220000, 19681280, 19840000, 19988800, 20150000, 20633600, 20800000, 24025000, 24601600, 24800000, 24986000, 25585664, 25600000, 25792000, 26624000, 30752000, 31232500, 31744000, 31982080, 32240000, 33013760, 33280000, 38440000, 39040625, 39362560, 39680000, 39977600, 40300000, 41267200, 41600000, 48050000, 49203200, 49600000, 49972000, 51171328, 51200000, 51584000, 61504000, 62465000, 63488000, 63964160, 64480000, 66560000, 76880000, 78081250, 78725120, 79360000, 79955200, 80600000, 82534400, 83200000, 96100000, 98406400, 99200000, 99944000, 102342656, 103168000, 123008000, 124930000, 127928320, 128960000, 133120000, 153760000, 156162500, 158720000, 159910400, 161200000, 165068800, 166400000, 192200000, 196812800, 198400000, 199888000, 204685312, 206336000, 246016000, 249860000, 255856640, 257920000, 307520000, 312325000, 317440000, 319820800, 322400000, 332800000, 384400000, 393625600, 396800000, 399776000, 412672000, 492032000, 499720000, 511713280, 515840000, 615040000, 624650000, 639641600, 644800000, 665600000, 768800000, 793600000, 799552000, 825344000, 984064000, 999440000, 1023426560, 1031680000, 1230080000, 1249300000, 1279283200, 1289600000, 1537600000, 1587200000, 1599104000, 1968128000, 1998880000, 2063360000, 2460160000, 2498600000, 2558566400, 2579200000, 3075200000, 3198208000, 3997760000, 4126720000, 4920320000, 4997200000, 5117132800, 5158400000, 6150400000, 6396416000, 7995520000, 9840640000, 9994400000, 10316800000, 12300800000, 12792832000, 15991040000, 19988800000, 20633600000, 24601600000, 25585664000, 31982080000, 39977600000, 49203200000, 63964160000, 79955200000, 127928320000, 159910400000, 319820800000, 639641600000]

約数ペア:

[(1, 639641600000), (2, 319820800000), (4, 159910400000), (5, 127928320000), (8, 79955200000), (10, 63964160000), (13, 49203200000), (16, 39977600000), (20, 31982080000), (25, 25585664000), (26, 24601600000), (31, 20633600000), (32, 19988800000), (40, 15991040000), (50, 12792832000), (52, 12300800000), (62, 10316800000), (64, 9994400000), (65, 9840640000), (80, 7995520000), (100, 6396416000), (104, 6150400000), (124, 5158400000), (125, 5117132800), (128, 4997200000), (130, 4920320000), (155, 4126720000), (160, 3997760000), (200, 3198208000), (208, 3075200000), (248, 2579200000), (250, 2558566400), (256, 2498600000), (260, 2460160000), (310, 2063360000), (320, 1998880000), (325, 1968128000), (400, 1599104000), (403, 1587200000), (416, 1537600000), (496, 1289600000), (500, 1279283200), (512, 1249300000), (520, 1230080000), (620, 1031680000), (625, 1023426560), (640, 999440000), (650, 984064000), (775, 825344000), (800, 799552000), (806, 793600000), (832, 768800000), (961, 665600000), (992, 644800000), (1000, 639641600), (1024, 624650000), (1040, 615040000), (1240, 515840000), (1250, 511713280), (1280, 499720000), (1300, 492032000), (1550, 412672000), (1600, 399776000), (1612, 396800000), (1625, 393625600), (1664, 384400000), (1922, 332800000), (1984, 322400000), (2000, 319820800), (2015, 317440000), (2048, 312325000), (2080, 307520000), (2480, 257920000), (2500, 255856640), (2560, 249860000), (2600, 246016000), (3100, 206336000), (3125, 204685312), (3200, 199888000), (3224, 198400000), (3250, 196812800), (3328, 192200000), (3844, 166400000), (3875, 165068800), (3968, 161200000), (4000, 159910400), (4030, 158720000), (4096, 156162500), (4160, 153760000), (4805, 133120000), (4960, 128960000), (5000, 127928320), (5120, 124930000), (5200, 123008000), (6200, 103168000), (6250, 102342656), (6400, 99944000), (6448, 99200000), (6500, 98406400), (6656, 96100000), (7688, 83200000), (7750, 82534400), (7936, 80600000), (8000, 79955200), (8060, 79360000), (8125, 78725120), (8192, 78081250), (8320, 76880000), (9610, 66560000), (9920, 64480000), (10000, 63964160), (10075, 63488000), (10240, 62465000), (10400, 61504000), (12400, 51584000), (12493, 51200000), (12500, 51171328), (12800, 49972000), (12896, 49600000), (13000, 49203200), (13312, 48050000), (15376, 41600000), (15500, 41267200), (15872, 40300000), (16000, 39977600), (16120, 39680000), (16250, 39362560), (16384, 39040625), (16640, 38440000), (19220, 33280000), (19375, 33013760), (19840, 32240000), (20000, 31982080), (20150, 31744000), (20480, 31232500), (20800, 30752000), (24025, 26624000), (24800, 25792000), (24986, 25600000), (25000, 25585664), (25600, 24986000), (25792, 24800000), (26000, 24601600), (26624, 24025000), (30752, 20800000), (31000, 20633600), (31744, 20150000), (32000, 19988800), (32240, 19840000), (32500, 19681280), (33280, 19220000), (38440, 16640000), (38750, 16506880), (39680, 16120000), (40000, 15991040), (40300, 15872000), (40625, 15745024), (40960, 15616250), (41600, 15376000), (48050, 13312000), (49600, 12896000), (49972, 12800000), (50000, 12792832), (50375, 12697600), (51200, 12493000), (51584, 12400000), (52000, 12300800), (53248, 12012500), (61504, 10400000), (62000, 10316800), (62465, 10240000), (63488, 10075000), (64000, 9994400), (64480, 9920000), (65000, 9840640), (66560, 9610000), (76880, 8320000), (77500, 8253440), (79360, 8060000), (80000, 7995520), (80600, 7936000), (81250, 7872512), (81920, 7808125), (83200, 7688000), (96100, 6656000), (96875, 6602752), (99200, 6448000), (99944, 6400000), (100000, 6396416), (100750, 6348800), (102400, 6246500), (103168, 6200000), (104000, 6150400), (106496, 6006250), (120125, 5324800), (123008, 5200000), (124000, 5158400), (124930, 5120000), (126976, 5037500), (128000, 4997200), (128960, 4960000), (130000, 4920320), (133120, 4805000), (153760, 4160000), (155000, 4126720), (158720, 4030000), (160000, 3997760), (161200, 3968000), (162500, 3936256), (166400, 3844000), (192200, 3328000), (193750, 3301376), (198400, 3224000), (199888, 3200000), (200000, 3198208), (201500, 3174400), (204800, 3123250), (206336, 3100000), (208000, 3075200), (212992, 3003125), (240250, 2662400), (246016, 2600000), (248000, 2579200), (249860, 2560000), (251875, 2539520), (253952, 2518750), (256000, 2498600), (257920, 2480000), (260000, 2460160), (266240, 2402500), (307520, 2080000), (310000, 2063360), (312325, 2048000), (317440, 2015000), (320000, 1998880), (322400, 1984000), (325000, 1968128), (332800, 1922000), (384400, 1664000), (387500, 1650688), (396800, 1612000), (399776, 1600000), (400000, 1599104), (403000, 1587200), (409600, 1561625), (412672, 1550000), (416000, 1537600), (480500, 1331200), (492032, 1300000), (496000, 1289600), (499720, 1280000), (503750, 1269760), (507904, 1259375), (512000, 1249300), (515840, 1240000), (520000, 1230080), (532480, 1201250), (600625, 1064960), (615040, 1040000), (620000, 1031680), (624650, 1024000), (634880, 1007500), (640000, 999440), (644800, 992000), (650000, 984064), (665600, 961000), (768800, 832000), (775000, 825344), (793600, 806000), (799552, 800000)]