40505580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{733}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 123435312

約数和(自身を除く): 82929732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 733, 921, 1228, 1466, 1535, 1842, 2199, 2763, 2932, 3070, 3665, 3684, 4398, 4605, 5526, 6140, 6597, 7330, 8796, 9210, 10995, 11052, 13194, 13815, 14660, 18420, 21990, 26388, 27630, 32985, 43980, 55260, 65970, 131940, 225031, 450062, 675093, 900124, 1125155, 1350186, 2025279, 2250310, 2700372, 3375465, 4050558, 4500620, 6750930, 8101116, 10126395, 13501860, 20252790, 40505580]

約数ペア:

[(1, 40505580), (2, 20252790), (3, 13501860), (4, 10126395), (5, 8101116), (6, 6750930), (9, 4500620), (10, 4050558), (12, 3375465), (15, 2700372), (18, 2250310), (20, 2025279), (30, 1350186), (36, 1125155), (45, 900124), (60, 675093), (90, 450062), (180, 225031), (307, 131940), (614, 65970), (733, 55260), (921, 43980), (1228, 32985), (1466, 27630), (1535, 26388), (1842, 21990), (2199, 18420), (2763, 14660), (2932, 13815), (3070, 13194), (3665, 11052), (3684, 10995), (4398, 9210), (4605, 8796), (5526, 7330), (6140, 6597)]