221490660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:853

約数の個数: 96

約数和(自身を含む): 644539392

約数和(自身を除く): 423048732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 193, 310, 372, 386, 465, 579, 617, 620, 772, 930, 965, 1158, 1234, 1851, 1860, 1930, 2316, 2468, 2895, 3085, 3702, 3860, 5790, 5983, 6170, 7404, 9255, 11580, 11966, 12340, 17949, 18510, 19127, 23932, 29915, 35898, 37020, 38254, 57381, 59830, 71796, 76508, 89745, 95635, 114762, 119081, 119660, 179490, 191270, 229524, 238162, 286905, 357243, 358980, 382540, 476324, 573810, 595405, 714486, 1147620, 1190810, 1428972, 1786215, 2381620, 3572430, 3691511, 7144860, 7383022, 11074533, 14766044, 18457555, 22149066, 36915110, 44298132, 55372665, 73830220, 110745330, 221490660]

約数ペア:

[(1, 221490660), (2, 110745330), (3, 73830220), (4, 55372665), (5, 44298132), (6, 36915110), (10, 22149066), (12, 18457555), (15, 14766044), (20, 11074533), (30, 7383022), (31, 7144860), (60, 3691511), (62, 3572430), (93, 2381620), (124, 1786215), (155, 1428972), (186, 1190810), (193, 1147620), (310, 714486), (372, 595405), (386, 573810), (465, 476324), (579, 382540), (617, 358980), (620, 357243), (772, 286905), (930, 238162), (965, 229524), (1158, 191270), (1234, 179490), (1851, 119660), (1860, 119081), (1930, 114762), (2316, 95635), (2468, 89745), (2895, 76508), (3085, 71796), (3702, 59830), (3860, 57381), (5790, 38254), (5983, 37020), (6170, 35898), (7404, 29915), (9255, 23932), (11580, 19127), (11966, 18510), (12340, 17949)]