155975560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15787}}^1$

素因数の和:15830

約数の個数: 64

約数和(自身を含む): 397857600

約数和(自身を除く): 241882040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15787, 31574, 63148, 78935, 126296, 157870, 205231, 299953, 315740, 410462, 599906, 631480, 820924, 1026155, 1199812, 1499765, 1641848, 2052310, 2399624, 2999530, 3899389, 4104620, 5999060, 7798778, 8209240, 11998120, 15597556, 19496945, 31195112, 38993890, 77987780, 155975560]

約数ペア:

[(1, 155975560), (2, 77987780), (4, 38993890), (5, 31195112), (8, 19496945), (10, 15597556), (13, 11998120), (19, 8209240), (20, 7798778), (26, 5999060), (38, 4104620), (40, 3899389), (52, 2999530), (65, 2399624), (76, 2052310), (95, 1641848), (104, 1499765), (130, 1199812), (152, 1026155), (190, 820924), (247, 631480), (260, 599906), (380, 410462), (494, 315740), (520, 299953), (760, 205231), (988, 157870), (1235, 126296), (1976, 78935), (2470, 63148), (4940, 31574), (9880, 15787)]