25221780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15569}}^1$

素因数の和:15590

約数の個数: 60

約数和(自身を含む): 79126740

約数和(自身を除く): 53904960

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, 15569, 31138, 46707, 62276, 77845, 93414, 140121, 155690, 186828, 233535, 280242, 311380, 420363, 467070, 560484, 700605, 840726, 934140, 1261089, 1401210, 1681452, 2101815, 2522178, 2802420, 4203630, 5044356, 6305445, 8407260, 12610890, 25221780]

約数ペア:

[(1, 25221780), (2, 12610890), (3, 8407260), (4, 6305445), (5, 5044356), (6, 4203630), (9, 2802420), (10, 2522178), (12, 2101815), (15, 1681452), (18, 1401210), (20, 1261089), (27, 934140), (30, 840726), (36, 700605), (45, 560484), (54, 467070), (60, 420363), (81, 311380), (90, 280242), (108, 233535), (135, 186828), (162, 155690), (180, 140121), (270, 93414), (324, 77845), (405, 62276), (540, 46707), (810, 31138), (1620, 15569)]