64685320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231019}}^1$

素因数の和:231037

約数の個数: 32

約数和(自身を含む): 166334400

約数和(自身を除く): 101649080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231019, 462038, 924076, 1155095, 1617133, 1848152, 2310190, 3234266, 4620380, 6468532, 8085665, 9240760, 12937064, 16171330, 32342660, 64685320]

約数ペア:

[(1, 64685320), (2, 32342660), (4, 16171330), (5, 12937064), (7, 9240760), (8, 8085665), (10, 6468532), (14, 4620380), (20, 3234266), (28, 2310190), (35, 1848152), (40, 1617133), (56, 1155095), (70, 924076), (140, 462038), (280, 231019)]