51681420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41017}}^1$

素因数の和:41039

約数の個数: 72

約数和(自身を含む): 179166624

約数和(自身を除く): 127485204

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, 41017, 82034, 123051, 164068, 205085, 246102, 287119, 369153, 410170, 492204, 574238, 615255, 738306, 820340, 861357, 1148476, 1230510, 1435595, 1476612, 1722714, 1845765, 2461020, 2584071, 2871190, 3445428, 3691530, 4306785, 5168142, 5742380, 7383060, 8613570, 10336284, 12920355, 17227140, 25840710, 51681420]

約数ペア:

[(1, 51681420), (2, 25840710), (3, 17227140), (4, 12920355), (5, 10336284), (6, 8613570), (7, 7383060), (9, 5742380), (10, 5168142), (12, 4306785), (14, 3691530), (15, 3445428), (18, 2871190), (20, 2584071), (21, 2461020), (28, 1845765), (30, 1722714), (35, 1476612), (36, 1435595), (42, 1230510), (45, 1148476), (60, 861357), (63, 820340), (70, 738306), (84, 615255), (90, 574238), (105, 492204), (126, 410170), (140, 369153), (180, 287119), (210, 246102), (252, 205085), (315, 164068), (420, 123051), (630, 82034), (1260, 41017)]