64999260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{40123}}^1$

素因数の和:40144

約数の個数: 60

約数和(自身を含む): 203910168

約数和(自身を除く): 138910908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 40123, 80246, 120369, 160492, 200615, 240738, 361107, 401230, 481476, 601845, 722214, 802460, 1083321, 1203690, 1444428, 1805535, 2166642, 2407380, 3249963, 3611070, 4333284, 5416605, 6499926, 7222140, 10833210, 12999852, 16249815, 21666420, 32499630, 64999260]

約数ペア:

[(1, 64999260), (2, 32499630), (3, 21666420), (4, 16249815), (5, 12999852), (6, 10833210), (9, 7222140), (10, 6499926), (12, 5416605), (15, 4333284), (18, 3611070), (20, 3249963), (27, 2407380), (30, 2166642), (36, 1805535), (45, 1444428), (54, 1203690), (60, 1083321), (81, 802460), (90, 722214), (108, 601845), (135, 481476), (162, 401230), (180, 361107), (270, 240738), (324, 200615), (405, 160492), (540, 120369), (810, 80246), (1620, 40123)]