221139960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23327}}^1$

素因数の和:23420

約数の個数: 64

約数和(自身を含む): 671846400

約数和(自身を除く): 450706440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 23327, 46654, 69981, 93308, 116635, 139962, 186616, 233270, 279924, 349905, 466540, 559848, 699810, 933080, 1399620, 1842833, 2799240, 3685666, 5528499, 7371332, 9214165, 11056998, 14742664, 18428330, 22113996, 27642495, 36856660, 44227992, 55284990, 73713320, 110569980, 221139960]

約数ペア:

[(1, 221139960), (2, 110569980), (3, 73713320), (4, 55284990), (5, 44227992), (6, 36856660), (8, 27642495), (10, 22113996), (12, 18428330), (15, 14742664), (20, 11056998), (24, 9214165), (30, 7371332), (40, 5528499), (60, 3685666), (79, 2799240), (120, 1842833), (158, 1399620), (237, 933080), (316, 699810), (395, 559848), (474, 466540), (632, 349905), (790, 279924), (948, 233270), (1185, 186616), (1580, 139962), (1896, 116635), (2370, 93308), (3160, 69981), (4740, 46654), (9480, 23327)]