66720090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51721}}^1$

素因数の和:51774

約数の個数: 32

約数和(自身を含む): 163855296

約数和(自身を除く): 97135206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 51721, 103442, 155163, 258605, 310326, 517210, 775815, 1551630, 2224003, 4448006, 6672009, 11120015, 13344018, 22240030, 33360045, 66720090]

約数ペア:

[(1, 66720090), (2, 33360045), (3, 22240030), (5, 13344018), (6, 11120015), (10, 6672009), (15, 4448006), (30, 2224003), (43, 1551630), (86, 775815), (129, 517210), (215, 310326), (258, 258605), (430, 155163), (645, 103442), (1290, 51721)]