557641980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{442573}}^1$

素因数の和:442595

約数の個数: 72

約数和(自身を含む): 1933163232

約数和(自身を除く): 1375521252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 442573, 885146, 1327719, 1770292, 2212865, 2655438, 3098011, 3983157, 4425730, 5310876, 6196022, 6638595, 7966314, 8851460, 9294033, 12392044, 13277190, 15490055, 15932628, 18588066, 19915785, 26554380, 27882099, 30980110, 37176132, 39831570, 46470165, 55764198, 61960220, 79663140, 92940330, 111528396, 139410495, 185880660, 278820990, 557641980]

約数ペア:

[(1, 557641980), (2, 278820990), (3, 185880660), (4, 139410495), (5, 111528396), (6, 92940330), (7, 79663140), (9, 61960220), (10, 55764198), (12, 46470165), (14, 39831570), (15, 37176132), (18, 30980110), (20, 27882099), (21, 26554380), (28, 19915785), (30, 18588066), (35, 15932628), (36, 15490055), (42, 13277190), (45, 12392044), (60, 9294033), (63, 8851460), (70, 7966314), (84, 6638595), (90, 6196022), (105, 5310876), (126, 4425730), (140, 3983157), (180, 3098011), (210, 2655438), (252, 2212865), (315, 1770292), (420, 1327719), (630, 885146), (1260, 442573)]