220125780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{174703}}^1$

素因数の和:174725

約数の個数: 72

約数和(自身を含む): 763107072

約数和(自身を除く): 542981292

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, 174703, 349406, 524109, 698812, 873515, 1048218, 1222921, 1572327, 1747030, 2096436, 2445842, 2620545, 3144654, 3494060, 3668763, 4891684, 5241090, 6114605, 6289308, 7337526, 7861635, 10482180, 11006289, 12229210, 14675052, 15723270, 18343815, 22012578, 24458420, 31446540, 36687630, 44025156, 55031445, 73375260, 110062890, 220125780]

約数ペア:

[(1, 220125780), (2, 110062890), (3, 73375260), (4, 55031445), (5, 44025156), (6, 36687630), (7, 31446540), (9, 24458420), (10, 22012578), (12, 18343815), (14, 15723270), (15, 14675052), (18, 12229210), (20, 11006289), (21, 10482180), (28, 7861635), (30, 7337526), (35, 6289308), (36, 6114605), (42, 5241090), (45, 4891684), (60, 3668763), (63, 3494060), (70, 3144654), (84, 2620545), (90, 2445842), (105, 2096436), (126, 1747030), (140, 1572327), (180, 1222921), (210, 1048218), (252, 873515), (315, 698812), (420, 524109), (630, 349406), (1260, 174703)]