155285440

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3821}}^1$

素因数の和:3965

約数の個数: 56

約数和(自身を含む): 372782592

約数和(自身を除く): 217497152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 3821, 4064, 5080, 7642, 8128, 10160, 15284, 19105, 20320, 30568, 38210, 40640, 61136, 76420, 122272, 152840, 244544, 305680, 485267, 611360, 970534, 1222720, 1941068, 2426335, 3882136, 4852670, 7764272, 9705340, 15528544, 19410680, 31057088, 38821360, 77642720, 155285440]

約数ペア:

[(1, 155285440), (2, 77642720), (4, 38821360), (5, 31057088), (8, 19410680), (10, 15528544), (16, 9705340), (20, 7764272), (32, 4852670), (40, 3882136), (64, 2426335), (80, 1941068), (127, 1222720), (160, 970534), (254, 611360), (320, 485267), (508, 305680), (635, 244544), (1016, 152840), (1270, 122272), (2032, 76420), (2540, 61136), (3821, 40640), (4064, 38210), (5080, 30568), (7642, 20320), (8128, 19105), (10160, 15284)]