77159960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 178459200

約数和(自身を除く): 101299240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 202, 269, 284, 355, 404, 505, 538, 568, 710, 808, 1010, 1076, 1345, 1420, 2020, 2152, 2690, 2840, 4040, 5380, 7171, 10760, 14342, 19099, 27169, 28684, 35855, 38198, 54338, 57368, 71710, 76396, 95495, 108676, 135845, 143420, 152792, 190990, 217352, 271690, 286840, 381980, 543380, 763960, 1086760, 1928999, 3857998, 7715996, 9644995, 15431992, 19289990, 38579980, 77159960]

約数ペア:

[(1, 77159960), (2, 38579980), (4, 19289990), (5, 15431992), (8, 9644995), (10, 7715996), (20, 3857998), (40, 1928999), (71, 1086760), (101, 763960), (142, 543380), (202, 381980), (269, 286840), (284, 271690), (355, 217352), (404, 190990), (505, 152792), (538, 143420), (568, 135845), (710, 108676), (808, 95495), (1010, 76396), (1076, 71710), (1345, 57368), (1420, 54338), (2020, 38198), (2152, 35855), (2690, 28684), (2840, 27169), (4040, 19099), (5380, 14342), (7171, 10760)]