319820800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 198

約数和(自身を含む): 882179214

約数和(自身を除く): 562358414

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, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 496, 512, 520, 620, 640, 650, 775, 800, 806, 832, 961, 992, 1024, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 2560, 2600, 3100, 3200, 3224, 3328, 3844, 3968, 4030, 4160, 4805, 4960, 5120, 5200, 6200, 6400, 6448, 6656, 7688, 7936, 8060, 8320, 9610, 9920, 10075, 10400, 12400, 12493, 12800, 12896, 13312, 15376, 15872, 16120, 16640, 19220, 19840, 20150, 20800, 24025, 24800, 24986, 25600, 25792, 30752, 31744, 32240, 33280, 38440, 39680, 40300, 41600, 48050, 49600, 49972, 51584, 61504, 62465, 64480, 66560, 76880, 79360, 80600, 83200, 96100, 99200, 99944, 103168, 123008, 124930, 128960, 153760, 158720, 161200, 166400, 192200, 198400, 199888, 206336, 246016, 249860, 257920, 307520, 312325, 322400, 332800, 384400, 396800, 399776, 412672, 492032, 499720, 515840, 615040, 624650, 644800, 768800, 793600, 799552, 984064, 999440, 1031680, 1230080, 1249300, 1289600, 1537600, 1599104, 1998880, 2063360, 2460160, 2498600, 2579200, 3075200, 3198208, 3997760, 4920320, 4997200, 5158400, 6150400, 6396416, 7995520, 9994400, 10316800, 12300800, 12792832, 15991040, 19988800, 24601600, 31982080, 39977600, 63964160, 79955200, 159910400, 319820800]

約数ペア:

[(1, 319820800), (2, 159910400), (4, 79955200), (5, 63964160), (8, 39977600), (10, 31982080), (13, 24601600), (16, 19988800), (20, 15991040), (25, 12792832), (26, 12300800), (31, 10316800), (32, 9994400), (40, 7995520), (50, 6396416), (52, 6150400), (62, 5158400), (64, 4997200), (65, 4920320), (80, 3997760), (100, 3198208), (104, 3075200), (124, 2579200), (128, 2498600), (130, 2460160), (155, 2063360), (160, 1998880), (200, 1599104), (208, 1537600), (248, 1289600), (256, 1249300), (260, 1230080), (310, 1031680), (320, 999440), (325, 984064), (400, 799552), (403, 793600), (416, 768800), (496, 644800), (512, 624650), (520, 615040), (620, 515840), (640, 499720), (650, 492032), (775, 412672), (800, 399776), (806, 396800), (832, 384400), (961, 332800), (992, 322400), (1024, 312325), (1040, 307520), (1240, 257920), (1280, 249860), (1300, 246016), (1550, 206336), (1600, 199888), (1612, 198400), (1664, 192200), (1922, 166400), (1984, 161200), (2015, 158720), (2080, 153760), (2480, 128960), (2560, 124930), (2600, 123008), (3100, 103168), (3200, 99944), (3224, 99200), (3328, 96100), (3844, 83200), (3968, 80600), (4030, 79360), (4160, 76880), (4805, 66560), (4960, 64480), (5120, 62465), (5200, 61504), (6200, 51584), (6400, 49972), (6448, 49600), (6656, 48050), (7688, 41600), (7936, 40300), (8060, 39680), (8320, 38440), (9610, 33280), (9920, 32240), (10075, 31744), (10400, 30752), (12400, 25792), (12493, 25600), (12800, 24986), (12896, 24800), (13312, 24025), (15376, 20800), (15872, 20150), (16120, 19840), (16640, 19220)]