1851680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 4463424

約数和(自身を除く): 2611744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 163, 284, 326, 355, 568, 652, 710, 815, 1136, 1304, 1420, 1630, 2272, 2608, 2840, 3260, 5216, 5680, 6520, 11360, 11573, 13040, 23146, 26080, 46292, 57865, 92584, 115730, 185168, 231460, 370336, 462920, 925840, 1851680]

約数ペア:

[(1, 1851680), (2, 925840), (4, 462920), (5, 370336), (8, 231460), (10, 185168), (16, 115730), (20, 92584), (32, 57865), (40, 46292), (71, 26080), (80, 23146), (142, 13040), (160, 11573), (163, 11360), (284, 6520), (326, 5680), (355, 5216), (568, 3260), (652, 2840), (710, 2608), (815, 2272), (1136, 1630), (1304, 1420)]