28625580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 87687600

約数和(自身を除く): 59062020

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, 981, 1090, 1308, 1459, 1635, 1962, 2180, 2918, 3270, 3924, 4377, 4905, 5836, 6540, 7295, 8754, 9810, 13131, 14590, 17508, 19620, 21885, 26262, 29180, 43770, 52524, 65655, 87540, 131310, 159031, 262620, 318062, 477093, 636124, 795155, 954186, 1431279, 1590310, 1908372, 2385465, 2862558, 3180620, 4770930, 5725116, 7156395, 9541860, 14312790, 28625580]

約数ペア:

[(1, 28625580), (2, 14312790), (3, 9541860), (4, 7156395), (5, 5725116), (6, 4770930), (9, 3180620), (10, 2862558), (12, 2385465), (15, 1908372), (18, 1590310), (20, 1431279), (30, 954186), (36, 795155), (45, 636124), (60, 477093), (90, 318062), (109, 262620), (180, 159031), (218, 131310), (327, 87540), (436, 65655), (545, 52524), (654, 43770), (981, 29180), (1090, 26262), (1308, 21885), (1459, 19620), (1635, 17508), (1962, 14590), (2180, 13131), (2918, 9810), (3270, 8754), (3924, 7295), (4377, 6540), (4905, 5836)]