646825020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{262937}}^1$

素因数の和:262990

約数の個数: 48

約数和(自身を含む): 1855290528

約数和(自身を除く): 1208465508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 262937, 525874, 788811, 1051748, 1314685, 1577622, 2629370, 3155244, 3944055, 5258740, 7888110, 10780417, 15776220, 21560834, 32341251, 43121668, 53902085, 64682502, 107804170, 129365004, 161706255, 215608340, 323412510, 646825020]

約数ペア:

[(1, 646825020), (2, 323412510), (3, 215608340), (4, 161706255), (5, 129365004), (6, 107804170), (10, 64682502), (12, 53902085), (15, 43121668), (20, 32341251), (30, 21560834), (41, 15776220), (60, 10780417), (82, 7888110), (123, 5258740), (164, 3944055), (205, 3155244), (246, 2629370), (410, 1577622), (492, 1314685), (615, 1051748), (820, 788811), (1230, 525874), (2460, 262937)]