51583140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40939}}^1$

素因数の和:40961

約数の個数: 72

約数和(自身を含む): 178825920

約数和(自身を除く): 127242780

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, 40939, 81878, 122817, 163756, 204695, 245634, 286573, 368451, 409390, 491268, 573146, 614085, 736902, 818780, 859719, 1146292, 1228170, 1432865, 1473804, 1719438, 1842255, 2456340, 2579157, 2865730, 3438876, 3684510, 4298595, 5158314, 5731460, 7369020, 8597190, 10316628, 12895785, 17194380, 25791570, 51583140]

約数ペア:

[(1, 51583140), (2, 25791570), (3, 17194380), (4, 12895785), (5, 10316628), (6, 8597190), (7, 7369020), (9, 5731460), (10, 5158314), (12, 4298595), (14, 3684510), (15, 3438876), (18, 2865730), (20, 2579157), (21, 2456340), (28, 1842255), (30, 1719438), (35, 1473804), (36, 1432865), (42, 1228170), (45, 1146292), (60, 859719), (63, 818780), (70, 736902), (84, 614085), (90, 573146), (105, 491268), (126, 409390), (140, 368451), (180, 286573), (210, 245634), (252, 204695), (315, 163756), (420, 122817), (630, 81878), (1260, 40939)]