81648528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5689}}^1$

素因数の和:5736

約数の個数: 80

約数和(自身を含む): 237068160

約数和(自身を除く): 155419632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 5689, 7176, 11378, 14352, 17067, 22756, 34134, 45512, 68268, 73957, 91024, 130847, 136536, 147914, 221871, 261694, 273072, 295828, 392541, 443742, 523388, 591656, 785082, 887484, 1046776, 1183312, 1570164, 1701011, 1774968, 2093552, 3140328, 3402022, 3549936, 5103033, 6280656, 6804044, 10206066, 13608088, 20412132, 27216176, 40824264, 81648528]

約数ペア:

[(1, 81648528), (2, 40824264), (3, 27216176), (4, 20412132), (6, 13608088), (8, 10206066), (12, 6804044), (13, 6280656), (16, 5103033), (23, 3549936), (24, 3402022), (26, 3140328), (39, 2093552), (46, 1774968), (48, 1701011), (52, 1570164), (69, 1183312), (78, 1046776), (92, 887484), (104, 785082), (138, 591656), (156, 523388), (184, 443742), (208, 392541), (276, 295828), (299, 273072), (312, 261694), (368, 221871), (552, 147914), (598, 136536), (624, 130847), (897, 91024), (1104, 73957), (1196, 68268), (1794, 45512), (2392, 34134), (3588, 22756), (4784, 17067), (5689, 14352), (7176, 11378)]