82857780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1393

約数の個数: 72

約数和(自身を含む): 252088200

約数和(自身を除く): 169230420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 569, 809, 1138, 1618, 1707, 2276, 2427, 2845, 3236, 3414, 4045, 4854, 5121, 5690, 6828, 7281, 8090, 8535, 9708, 10242, 11380, 12135, 14562, 16180, 17070, 20484, 24270, 25605, 29124, 34140, 36405, 48540, 51210, 72810, 102420, 145620, 460321, 920642, 1380963, 1841284, 2301605, 2761926, 4142889, 4603210, 5523852, 6904815, 8285778, 9206420, 13809630, 16571556, 20714445, 27619260, 41428890, 82857780]

約数ペア:

[(1, 82857780), (2, 41428890), (3, 27619260), (4, 20714445), (5, 16571556), (6, 13809630), (9, 9206420), (10, 8285778), (12, 6904815), (15, 5523852), (18, 4603210), (20, 4142889), (30, 2761926), (36, 2301605), (45, 1841284), (60, 1380963), (90, 920642), (180, 460321), (569, 145620), (809, 102420), (1138, 72810), (1618, 51210), (1707, 48540), (2276, 36405), (2427, 34140), (2845, 29124), (3236, 25605), (3414, 24270), (4045, 20484), (4854, 17070), (5121, 16180), (5690, 14562), (6828, 12135), (7281, 11380), (8090, 10242), (8535, 9708)]