15911820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 48768720

約数和(自身を除く): 32856900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 811, 981, 1090, 1308, 1622, 1635, 1962, 2180, 2433, 3244, 3270, 3924, 4055, 4866, 4905, 6540, 7299, 8110, 9732, 9810, 12165, 14598, 16220, 19620, 24330, 29196, 36495, 48660, 72990, 88399, 145980, 176798, 265197, 353596, 441995, 530394, 795591, 883990, 1060788, 1325985, 1591182, 1767980, 2651970, 3182364, 3977955, 5303940, 7955910, 15911820]

約数ペア:

[(1, 15911820), (2, 7955910), (3, 5303940), (4, 3977955), (5, 3182364), (6, 2651970), (9, 1767980), (10, 1591182), (12, 1325985), (15, 1060788), (18, 883990), (20, 795591), (30, 530394), (36, 441995), (45, 353596), (60, 265197), (90, 176798), (109, 145980), (180, 88399), (218, 72990), (327, 48660), (436, 36495), (545, 29196), (654, 24330), (811, 19620), (981, 16220), (1090, 14598), (1308, 12165), (1622, 9810), (1635, 9732), (1962, 8110), (2180, 7299), (2433, 6540), (3244, 4905), (3270, 4866), (3924, 4055)]