65180780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 160474608

約数和(自身を除く): 95293828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 293, 454, 490, 586, 908, 980, 1135, 1172, 1465, 1589, 2051, 2270, 2930, 3178, 4102, 4540, 5860, 6356, 7945, 8204, 10255, 11123, 14357, 15890, 20510, 22246, 28714, 31780, 41020, 44492, 55615, 57428, 66511, 71785, 111230, 133022, 143570, 222460, 266044, 287140, 332555, 465577, 665110, 931154, 1330220, 1862308, 2327885, 3259039, 4655770, 6518078, 9311540, 13036156, 16295195, 32590390, 65180780]

約数ペア:

[(1, 65180780), (2, 32590390), (4, 16295195), (5, 13036156), (7, 9311540), (10, 6518078), (14, 4655770), (20, 3259039), (28, 2327885), (35, 1862308), (49, 1330220), (70, 931154), (98, 665110), (140, 465577), (196, 332555), (227, 287140), (245, 266044), (293, 222460), (454, 143570), (490, 133022), (586, 111230), (908, 71785), (980, 66511), (1135, 57428), (1172, 55615), (1465, 44492), (1589, 41020), (2051, 31780), (2270, 28714), (2930, 22246), (3178, 20510), (4102, 15890), (4540, 14357), (5860, 11123), (6356, 10255), (7945, 8204)]