68621680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 166239360

約数和(自身を除く): 97617680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 239, 296, 370, 388, 478, 485, 592, 740, 776, 956, 970, 1195, 1480, 1552, 1912, 1940, 2390, 2960, 3589, 3824, 3880, 4780, 7178, 7760, 8843, 9560, 14356, 17686, 17945, 19120, 23183, 28712, 35372, 35890, 44215, 46366, 57424, 70744, 71780, 88430, 92732, 115915, 141488, 143560, 176860, 185464, 231830, 287120, 353720, 370928, 463660, 707440, 857771, 927320, 1715542, 1854640, 3431084, 4288855, 6862168, 8577710, 13724336, 17155420, 34310840, 68621680]

約数ペア:

[(1, 68621680), (2, 34310840), (4, 17155420), (5, 13724336), (8, 8577710), (10, 6862168), (16, 4288855), (20, 3431084), (37, 1854640), (40, 1715542), (74, 927320), (80, 857771), (97, 707440), (148, 463660), (185, 370928), (194, 353720), (239, 287120), (296, 231830), (370, 185464), (388, 176860), (478, 143560), (485, 141488), (592, 115915), (740, 92732), (776, 88430), (956, 71780), (970, 70744), (1195, 57424), (1480, 46366), (1552, 44215), (1912, 35890), (1940, 35372), (2390, 28712), (2960, 23183), (3589, 19120), (3824, 17945), (3880, 17686), (4780, 14356), (7178, 9560), (7760, 8843)]