87729660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487387}}^1$

素因数の和:487402

約数の個数: 36

約数和(自身を含む): 266113848

約数和(自身を除く): 178384188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487387, 974774, 1462161, 1949548, 2436935, 2924322, 4386483, 4873870, 5848644, 7310805, 8772966, 9747740, 14621610, 17545932, 21932415, 29243220, 43864830, 87729660]

約数ペア:

[(1, 87729660), (2, 43864830), (3, 29243220), (4, 21932415), (5, 17545932), (6, 14621610), (9, 9747740), (10, 8772966), (12, 7310805), (15, 5848644), (18, 4873870), (20, 4386483), (30, 2924322), (36, 2436935), (45, 1949548), (60, 1462161), (90, 974774), (180, 487387)]