1520554460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{62989}}^1$

素因数の和:63086

約数の個数: 48

約数和(自身を含む): 3428671680

約数和(自身を除く): 1908117220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 12070, 24140, 62989, 125978, 251956, 314945, 629890, 1070813, 1259780, 2141626, 4283252, 4472219, 5354065, 8944438, 10708130, 17888876, 21416260, 22361095, 44722190, 76027723, 89444380, 152055446, 304110892, 380138615, 760277230, 1520554460]

約数ペア:

[(1, 1520554460), (2, 760277230), (4, 380138615), (5, 304110892), (10, 152055446), (17, 89444380), (20, 76027723), (34, 44722190), (68, 22361095), (71, 21416260), (85, 17888876), (142, 10708130), (170, 8944438), (284, 5354065), (340, 4472219), (355, 4283252), (710, 2141626), (1207, 1259780), (1420, 1070813), (2414, 629890), (4828, 314945), (6035, 251956), (12070, 125978), (24140, 62989)]