280437156

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1713

約数の個数: 72

約数和(自身を含む): 731203200

約数和(自身を除く): 450766044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 107, 141, 188, 214, 282, 321, 423, 428, 564, 642, 846, 963, 1284, 1549, 1692, 1926, 3098, 3852, 4647, 5029, 6196, 9294, 10058, 13941, 15087, 18588, 20116, 27882, 30174, 45261, 55764, 60348, 72803, 90522, 145606, 165743, 181044, 218409, 291212, 331486, 436818, 497229, 655227, 662972, 873636, 994458, 1310454, 1491687, 1988916, 2620908, 2983374, 5966748, 7789921, 15579842, 23369763, 31159684, 46739526, 70109289, 93479052, 140218578, 280437156]

約数ペア:

[(1, 280437156), (2, 140218578), (3, 93479052), (4, 70109289), (6, 46739526), (9, 31159684), (12, 23369763), (18, 15579842), (36, 7789921), (47, 5966748), (94, 2983374), (107, 2620908), (141, 1988916), (188, 1491687), (214, 1310454), (282, 994458), (321, 873636), (423, 662972), (428, 655227), (564, 497229), (642, 436818), (846, 331486), (963, 291212), (1284, 218409), (1549, 181044), (1692, 165743), (1926, 145606), (3098, 90522), (3852, 72803), (4647, 60348), (5029, 55764), (6196, 45261), (9294, 30174), (10058, 27882), (13941, 20116), (15087, 18588)]