220780590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 540587520

約数和(自身を除く): 319806930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 109, 214, 218, 321, 327, 535, 545, 631, 642, 654, 1070, 1090, 1262, 1605, 1635, 1893, 3155, 3210, 3270, 3786, 6310, 9465, 11663, 18930, 23326, 34989, 58315, 67517, 68779, 69978, 116630, 135034, 137558, 174945, 202551, 206337, 337585, 343895, 349890, 405102, 412674, 675170, 687790, 1012755, 1031685, 2025510, 2063370, 7359353, 14718706, 22078059, 36796765, 44156118, 73593530, 110390295, 220780590]

約数ペア:

[(1, 220780590), (2, 110390295), (3, 73593530), (5, 44156118), (6, 36796765), (10, 22078059), (15, 14718706), (30, 7359353), (107, 2063370), (109, 2025510), (214, 1031685), (218, 1012755), (321, 687790), (327, 675170), (535, 412674), (545, 405102), (631, 349890), (642, 343895), (654, 337585), (1070, 206337), (1090, 202551), (1262, 174945), (1605, 137558), (1635, 135034), (1893, 116630), (3155, 69978), (3210, 68779), (3270, 67517), (3786, 58315), (6310, 34989), (9465, 23326), (11663, 18930)]