138420240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82393}}^1$

素因数の和:82416

約数の個数: 80

約数和(自身を含む): 490409088

約数和(自身を除く): 351988848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 82393, 164786, 247179, 329572, 411965, 494358, 576751, 659144, 823930, 988716, 1153502, 1235895, 1318288, 1647860, 1730253, 1977432, 2307004, 2471790, 2883755, 3295720, 3460506, 3954864, 4614008, 4943580, 5767510, 6591440, 6921012, 8651265, 9228016, 9887160, 11535020, 13842024, 17302530, 19774320, 23070040, 27684048, 34605060, 46140080, 69210120, 138420240]

約数ペア:

[(1, 138420240), (2, 69210120), (3, 46140080), (4, 34605060), (5, 27684048), (6, 23070040), (7, 19774320), (8, 17302530), (10, 13842024), (12, 11535020), (14, 9887160), (15, 9228016), (16, 8651265), (20, 6921012), (21, 6591440), (24, 5767510), (28, 4943580), (30, 4614008), (35, 3954864), (40, 3460506), (42, 3295720), (48, 2883755), (56, 2471790), (60, 2307004), (70, 1977432), (80, 1730253), (84, 1647860), (105, 1318288), (112, 1235895), (120, 1153502), (140, 988716), (168, 823930), (210, 659144), (240, 576751), (280, 494358), (336, 411965), (420, 329572), (560, 247179), (840, 164786), (1680, 82393)]