68056520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 177033600

約数和(自身を除く): 108977080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2731, 3115, 3560, 4984, 5462, 6230, 10924, 12460, 13655, 19117, 21848, 24920, 27310, 38234, 54620, 76468, 95585, 109240, 152936, 191170, 243059, 382340, 486118, 764680, 972236, 1215295, 1701413, 1944472, 2430590, 3402826, 4861180, 6805652, 8507065, 9722360, 13611304, 17014130, 34028260, 68056520]

約数ペア:

[(1, 68056520), (2, 34028260), (4, 17014130), (5, 13611304), (7, 9722360), (8, 8507065), (10, 6805652), (14, 4861180), (20, 3402826), (28, 2430590), (35, 1944472), (40, 1701413), (56, 1215295), (70, 972236), (89, 764680), (140, 486118), (178, 382340), (280, 243059), (356, 191170), (445, 152936), (623, 109240), (712, 95585), (890, 76468), (1246, 54620), (1780, 38234), (2492, 27310), (2731, 24920), (3115, 21848), (3560, 19117), (4984, 13655), (5462, 12460), (6230, 10924)]