316271920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127529}}^1$

素因数の和:127573

約数の個数: 40

約数和(自身を含む): 759058560

約数和(自身を除く): 442786640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 127529, 255058, 510116, 637645, 1020232, 1275290, 2040464, 2550580, 3953399, 5101160, 7906798, 10202320, 15813596, 19766995, 31627192, 39533990, 63254384, 79067980, 158135960, 316271920]

約数ペア:

[(1, 316271920), (2, 158135960), (4, 79067980), (5, 63254384), (8, 39533990), (10, 31627192), (16, 19766995), (20, 15813596), (31, 10202320), (40, 7906798), (62, 5101160), (80, 3953399), (124, 2550580), (155, 2040464), (248, 1275290), (310, 1020232), (496, 637645), (620, 510116), (1240, 255058), (2480, 127529)]