87064020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4789}}^1$

素因数の和:4905

約数の個数: 72

約数和(自身を含む): 266764680

約数和(自身を除く): 179700660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 4789, 6060, 9090, 9578, 14367, 18180, 19156, 23945, 28734, 43101, 47890, 57468, 71835, 86202, 95780, 143670, 172404, 215505, 287340, 431010, 483689, 862020, 967378, 1451067, 1934756, 2418445, 2902134, 4353201, 4836890, 5804268, 7255335, 8706402, 9673780, 14510670, 17412804, 21766005, 29021340, 43532010, 87064020]

約数ペア:

[(1, 87064020), (2, 43532010), (3, 29021340), (4, 21766005), (5, 17412804), (6, 14510670), (9, 9673780), (10, 8706402), (12, 7255335), (15, 5804268), (18, 4836890), (20, 4353201), (30, 2902134), (36, 2418445), (45, 1934756), (60, 1451067), (90, 967378), (101, 862020), (180, 483689), (202, 431010), (303, 287340), (404, 215505), (505, 172404), (606, 143670), (909, 95780), (1010, 86202), (1212, 71835), (1515, 57468), (1818, 47890), (2020, 43101), (3030, 28734), (3636, 23945), (4545, 19156), (4789, 18180), (6060, 14367), (9090, 9578)]