90333040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161309}}^1$

素因数の和:161329

約数の個数: 40

約数和(自身を含む): 240029280

約数和(自身を除く): 149696240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161309, 322618, 645236, 806545, 1129163, 1290472, 1613090, 2258326, 2580944, 3226180, 4516652, 5645815, 6452360, 9033304, 11291630, 12904720, 18066608, 22583260, 45166520, 90333040]

約数ペア:

[(1, 90333040), (2, 45166520), (4, 22583260), (5, 18066608), (7, 12904720), (8, 11291630), (10, 9033304), (14, 6452360), (16, 5645815), (20, 4516652), (28, 3226180), (35, 2580944), (40, 2258326), (56, 1613090), (70, 1290472), (80, 1129163), (112, 806545), (140, 645236), (280, 322618), (560, 161309)]