921780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{569}}^1$

素因数の和:590

約数の個数: 60

約数和(自身を含む): 2896740

約数和(自身を除く): 1974960

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, 569, 810, 1138, 1620, 1707, 2276, 2845, 3414, 5121, 5690, 6828, 8535, 10242, 11380, 15363, 17070, 20484, 25605, 30726, 34140, 46089, 51210, 61452, 76815, 92178, 102420, 153630, 184356, 230445, 307260, 460890, 921780]

約数ペア:

[(1, 921780), (2, 460890), (3, 307260), (4, 230445), (5, 184356), (6, 153630), (9, 102420), (10, 92178), (12, 76815), (15, 61452), (18, 51210), (20, 46089), (27, 34140), (30, 30726), (36, 25605), (45, 20484), (54, 17070), (60, 15363), (81, 11380), (90, 10242), (108, 8535), (135, 6828), (162, 5690), (180, 5121), (270, 3414), (324, 2845), (405, 2276), (540, 1707), (569, 1620), (810, 1138)]