31428180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24943}}^1$

素因数の和:24965

約数の個数: 72

約数和(自身を含む): 108955392

約数和(自身を除く): 77527212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24943, 49886, 74829, 99772, 124715, 149658, 174601, 224487, 249430, 299316, 349202, 374145, 448974, 498860, 523803, 698404, 748290, 873005, 897948, 1047606, 1122435, 1496580, 1571409, 1746010, 2095212, 2244870, 2619015, 3142818, 3492020, 4489740, 5238030, 6285636, 7857045, 10476060, 15714090, 31428180]

約数ペア:

[(1, 31428180), (2, 15714090), (3, 10476060), (4, 7857045), (5, 6285636), (6, 5238030), (7, 4489740), (9, 3492020), (10, 3142818), (12, 2619015), (14, 2244870), (15, 2095212), (18, 1746010), (20, 1571409), (21, 1496580), (28, 1122435), (30, 1047606), (35, 897948), (36, 873005), (42, 748290), (45, 698404), (60, 523803), (63, 498860), (70, 448974), (84, 374145), (90, 349202), (105, 299316), (126, 249430), (140, 224487), (180, 174601), (210, 149658), (252, 124715), (315, 99772), (420, 74829), (630, 49886), (1260, 24943)]