8389140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 23768640

約数和(自身を除く): 15379500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1571, 1780, 2670, 3142, 4713, 5340, 6284, 7855, 9426, 15710, 18852, 23565, 31420, 47130, 94260, 139819, 279638, 419457, 559276, 699095, 838914, 1398190, 1677828, 2097285, 2796380, 4194570, 8389140]

約数ペア:

[(1, 8389140), (2, 4194570), (3, 2796380), (4, 2097285), (5, 1677828), (6, 1398190), (10, 838914), (12, 699095), (15, 559276), (20, 419457), (30, 279638), (60, 139819), (89, 94260), (178, 47130), (267, 31420), (356, 23565), (445, 18852), (534, 15710), (890, 9426), (1068, 7855), (1335, 6284), (1571, 5340), (1780, 4713), (2670, 3142)]