40642020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 128298240

約数和(自身を除く): 87656220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 657, 730, 876, 1031, 1095, 1314, 1460, 1971, 2062, 2190, 2628, 3093, 3285, 3942, 4124, 4380, 5155, 6186, 6570, 7884, 9279, 9855, 10310, 12372, 13140, 15465, 18558, 19710, 20620, 27837, 30930, 37116, 39420, 46395, 55674, 61860, 75263, 92790, 111348, 139185, 150526, 185580, 225789, 278370, 301052, 376315, 451578, 556740, 677367, 752630, 903156, 1128945, 1354734, 1505260, 2032101, 2257890, 2709468, 3386835, 4064202, 4515780, 6773670, 8128404, 10160505, 13547340, 20321010, 40642020]

約数ペア:

[(1, 40642020), (2, 20321010), (3, 13547340), (4, 10160505), (5, 8128404), (6, 6773670), (9, 4515780), (10, 4064202), (12, 3386835), (15, 2709468), (18, 2257890), (20, 2032101), (27, 1505260), (30, 1354734), (36, 1128945), (45, 903156), (54, 752630), (60, 677367), (73, 556740), (90, 451578), (108, 376315), (135, 301052), (146, 278370), (180, 225789), (219, 185580), (270, 150526), (292, 139185), (365, 111348), (438, 92790), (540, 75263), (657, 61860), (730, 55674), (876, 46395), (1031, 39420), (1095, 37116), (1314, 30930), (1460, 27837), (1971, 20620), (2062, 19710), (2190, 18558), (2628, 15465), (3093, 13140), (3285, 12372), (3942, 10310), (4124, 9855), (4380, 9279), (5155, 7884), (6186, 6570)]