1520482840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1\times {\mathrm{631}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 3464674560

約数和(自身を除く): 1944191720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 563, 631, 856, 1070, 1126, 1262, 2140, 2252, 2524, 2815, 3155, 4280, 4504, 5048, 5630, 6310, 11260, 12620, 22520, 25240, 60241, 67517, 120482, 135034, 240964, 270068, 301205, 337585, 355253, 481928, 540136, 602410, 675170, 710506, 1204820, 1350340, 1421012, 1776265, 2409640, 2700680, 2842024, 3552530, 7105060, 14210120, 38012071, 76024142, 152048284, 190060355, 304096568, 380120710, 760241420, 1520482840]

約数ペア:

[(1, 1520482840), (2, 760241420), (4, 380120710), (5, 304096568), (8, 190060355), (10, 152048284), (20, 76024142), (40, 38012071), (107, 14210120), (214, 7105060), (428, 3552530), (535, 2842024), (563, 2700680), (631, 2409640), (856, 1776265), (1070, 1421012), (1126, 1350340), (1262, 1204820), (2140, 710506), (2252, 675170), (2524, 602410), (2815, 540136), (3155, 481928), (4280, 355253), (4504, 337585), (5048, 301205), (5630, 270068), (6310, 240964), (11260, 135034), (12620, 120482), (22520, 67517), (25240, 60241)]