213945720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25111}}^1$

素因数の和:25196

約数の個数: 64

約数和(自身を含む): 650903040

約数和(自身を除く): 436957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 25111, 50222, 75333, 100444, 125555, 150666, 200888, 251110, 301332, 376665, 502220, 602664, 753330, 1004440, 1506660, 1782881, 3013320, 3565762, 5348643, 7131524, 8914405, 10697286, 14263048, 17828810, 21394572, 26743215, 35657620, 42789144, 53486430, 71315240, 106972860, 213945720]

約数ペア:

[(1, 213945720), (2, 106972860), (3, 71315240), (4, 53486430), (5, 42789144), (6, 35657620), (8, 26743215), (10, 21394572), (12, 17828810), (15, 14263048), (20, 10697286), (24, 8914405), (30, 7131524), (40, 5348643), (60, 3565762), (71, 3013320), (120, 1782881), (142, 1506660), (213, 1004440), (284, 753330), (355, 602664), (426, 502220), (568, 376665), (710, 301332), (852, 251110), (1065, 200888), (1420, 150666), (1704, 125555), (2130, 100444), (2840, 75333), (4260, 50222), (8520, 25111)]