128865240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{51137}}^1$

素因数の和:51161

約数の個数: 96

約数和(自身を含む): 478651680

約数和(自身を除く): 349786440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 51137, 102274, 153411, 204548, 255685, 306822, 357959, 409096, 460233, 511370, 613644, 715918, 767055, 920466, 1022740, 1073877, 1227288, 1431836, 1534110, 1789795, 1840932, 2045480, 2147754, 2301165, 2863672, 3068220, 3221631, 3579590, 3681864, 4295508, 4602330, 5369385, 6136440, 6443262, 7159180, 8591016, 9204660, 10738770, 12886524, 14318360, 16108155, 18409320, 21477540, 25773048, 32216310, 42955080, 64432620, 128865240]

約数ペア:

[(1, 128865240), (2, 64432620), (3, 42955080), (4, 32216310), (5, 25773048), (6, 21477540), (7, 18409320), (8, 16108155), (9, 14318360), (10, 12886524), (12, 10738770), (14, 9204660), (15, 8591016), (18, 7159180), (20, 6443262), (21, 6136440), (24, 5369385), (28, 4602330), (30, 4295508), (35, 3681864), (36, 3579590), (40, 3221631), (42, 3068220), (45, 2863672), (56, 2301165), (60, 2147754), (63, 2045480), (70, 1840932), (72, 1789795), (84, 1534110), (90, 1431836), (105, 1227288), (120, 1073877), (126, 1022740), (140, 920466), (168, 767055), (180, 715918), (210, 613644), (252, 511370), (280, 460233), (315, 409096), (360, 357959), (420, 306822), (504, 255685), (630, 204548), (840, 153411), (1260, 102274), (2520, 51137)]