680264000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 224

約数和(自身を含む): 1881664512

約数和(自身を除く): 1201400512

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, 130, 155, 160, 200, 208, 211, 248, 250, 260, 310, 320, 325, 400, 403, 416, 422, 496, 500, 520, 620, 650, 775, 800, 806, 832, 844, 992, 1000, 1040, 1055, 1240, 1300, 1550, 1600, 1612, 1625, 1688, 1984, 2000, 2015, 2080, 2110, 2480, 2600, 2743, 3100, 3224, 3250, 3376, 3875, 4000, 4030, 4160, 4220, 4960, 5200, 5275, 5486, 6200, 6448, 6500, 6541, 6752, 7750, 8000, 8060, 8440, 9920, 10075, 10400, 10550, 10972, 12400, 12896, 13000, 13082, 13504, 13715, 15500, 16120, 16880, 20150, 20800, 21100, 21944, 24800, 25792, 26000, 26164, 26375, 27430, 31000, 32240, 32705, 33760, 40300, 42200, 43888, 49600, 50375, 52000, 52328, 52750, 54860, 62000, 64480, 65410, 67520, 68575, 80600, 84400, 85033, 87776, 100750, 104000, 104656, 105500, 109720, 124000, 128960, 130820, 137150, 161200, 163525, 168800, 170066, 175552, 201500, 209312, 211000, 219440, 248000, 261640, 274300, 322400, 327050, 337600, 340132, 342875, 403000, 418624, 422000, 425165, 438880, 523280, 548600, 644800, 654100, 680264, 685750, 806000, 817625, 844000, 850330, 877760, 1046560, 1097200, 1308200, 1360528, 1371500, 1612000, 1635250, 1688000, 1700660, 2093120, 2125825, 2194400, 2616400, 2721056, 2743000, 3224000, 3270500, 3401320, 4251650, 4388800, 5232800, 5442112, 5486000, 6541000, 6802640, 8503300, 10465600, 10629125, 10972000, 13082000, 13605280, 17006600, 21258250, 21944000, 26164000, 27210560, 34013200, 42516500, 52328000, 68026400, 85033000, 136052800, 170066000, 340132000, 680264000]

約数ペア:

[(1, 680264000), (2, 340132000), (4, 170066000), (5, 136052800), (8, 85033000), (10, 68026400), (13, 52328000), (16, 42516500), (20, 34013200), (25, 27210560), (26, 26164000), (31, 21944000), (32, 21258250), (40, 17006600), (50, 13605280), (52, 13082000), (62, 10972000), (64, 10629125), (65, 10465600), (80, 8503300), (100, 6802640), (104, 6541000), (124, 5486000), (125, 5442112), (130, 5232800), (155, 4388800), (160, 4251650), (200, 3401320), (208, 3270500), (211, 3224000), (248, 2743000), (250, 2721056), (260, 2616400), (310, 2194400), (320, 2125825), (325, 2093120), (400, 1700660), (403, 1688000), (416, 1635250), (422, 1612000), (496, 1371500), (500, 1360528), (520, 1308200), (620, 1097200), (650, 1046560), (775, 877760), (800, 850330), (806, 844000), (832, 817625), (844, 806000), (992, 685750), (1000, 680264), (1040, 654100), (1055, 644800), (1240, 548600), (1300, 523280), (1550, 438880), (1600, 425165), (1612, 422000), (1625, 418624), (1688, 403000), (1984, 342875), (2000, 340132), (2015, 337600), (2080, 327050), (2110, 322400), (2480, 274300), (2600, 261640), (2743, 248000), (3100, 219440), (3224, 211000), (3250, 209312), (3376, 201500), (3875, 175552), (4000, 170066), (4030, 168800), (4160, 163525), (4220, 161200), (4960, 137150), (5200, 130820), (5275, 128960), (5486, 124000), (6200, 109720), (6448, 105500), (6500, 104656), (6541, 104000), (6752, 100750), (7750, 87776), (8000, 85033), (8060, 84400), (8440, 80600), (9920, 68575), (10075, 67520), (10400, 65410), (10550, 64480), (10972, 62000), (12400, 54860), (12896, 52750), (13000, 52328), (13082, 52000), (13504, 50375), (13715, 49600), (15500, 43888), (16120, 42200), (16880, 40300), (20150, 33760), (20800, 32705), (21100, 32240), (21944, 31000), (24800, 27430), (25792, 26375), (26000, 26164)]