56051580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71861}}^1$

素因数の和:71886

約数の個数: 48

約数和(自身を含む): 169019424

約数和(自身を除く): 112967844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 71861, 143722, 215583, 287444, 359305, 431166, 718610, 862332, 934193, 1077915, 1437220, 1868386, 2155830, 2802579, 3736772, 4311660, 4670965, 5605158, 9341930, 11210316, 14012895, 18683860, 28025790, 56051580]

約数ペア:

[(1, 56051580), (2, 28025790), (3, 18683860), (4, 14012895), (5, 11210316), (6, 9341930), (10, 5605158), (12, 4670965), (13, 4311660), (15, 3736772), (20, 2802579), (26, 2155830), (30, 1868386), (39, 1437220), (52, 1077915), (60, 934193), (65, 862332), (78, 718610), (130, 431166), (156, 359305), (195, 287444), (260, 215583), (390, 143722), (780, 71861)]