81806560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:956

約数の個数: 96

約数和(自身を含む): 215060832

約数和(自身を除く): 133254272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 160, 176, 212, 220, 265, 352, 424, 440, 530, 583, 848, 877, 880, 1060, 1166, 1696, 1754, 1760, 2120, 2332, 2915, 3508, 4240, 4385, 4664, 5830, 7016, 8480, 8770, 9328, 9647, 11660, 14032, 17540, 18656, 19294, 23320, 28064, 35080, 38588, 46481, 46640, 48235, 70160, 77176, 92962, 93280, 96470, 140320, 154352, 185924, 192940, 232405, 308704, 371848, 385880, 464810, 511291, 743696, 771760, 929620, 1022582, 1487392, 1543520, 1859240, 2045164, 2556455, 3718480, 4090328, 5112910, 7436960, 8180656, 10225820, 16361312, 20451640, 40903280, 81806560]

約数ペア:

[(1, 81806560), (2, 40903280), (4, 20451640), (5, 16361312), (8, 10225820), (10, 8180656), (11, 7436960), (16, 5112910), (20, 4090328), (22, 3718480), (32, 2556455), (40, 2045164), (44, 1859240), (53, 1543520), (55, 1487392), (80, 1022582), (88, 929620), (106, 771760), (110, 743696), (160, 511291), (176, 464810), (212, 385880), (220, 371848), (265, 308704), (352, 232405), (424, 192940), (440, 185924), (530, 154352), (583, 140320), (848, 96470), (877, 93280), (880, 92962), (1060, 77176), (1166, 70160), (1696, 48235), (1754, 46640), (1760, 46481), (2120, 38588), (2332, 35080), (2915, 28064), (3508, 23320), (4240, 19294), (4385, 18656), (4664, 17540), (5830, 14032), (7016, 11660), (8480, 9647), (8770, 9328)]