65372880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 203451264

約数和(自身を除く): 138078384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 647, 842, 1263, 1294, 1684, 1941, 2105, 2526, 2588, 3235, 3368, 3882, 4210, 5052, 5176, 6315, 6470, 6736, 7764, 8420, 9705, 10104, 10352, 12630, 12940, 15528, 16840, 19410, 20208, 25260, 25880, 31056, 33680, 38820, 50520, 51760, 77640, 101040, 155280, 272387, 544774, 817161, 1089548, 1361935, 1634322, 2179096, 2723870, 3268644, 4085805, 4358192, 5447740, 6537288, 8171610, 10895480, 13074576, 16343220, 21790960, 32686440, 65372880]

約数ペア:

[(1, 65372880), (2, 32686440), (3, 21790960), (4, 16343220), (5, 13074576), (6, 10895480), (8, 8171610), (10, 6537288), (12, 5447740), (15, 4358192), (16, 4085805), (20, 3268644), (24, 2723870), (30, 2179096), (40, 1634322), (48, 1361935), (60, 1089548), (80, 817161), (120, 544774), (240, 272387), (421, 155280), (647, 101040), (842, 77640), (1263, 51760), (1294, 50520), (1684, 38820), (1941, 33680), (2105, 31056), (2526, 25880), (2588, 25260), (3235, 20208), (3368, 19410), (3882, 16840), (4210, 15528), (5052, 12940), (5176, 12630), (6315, 10352), (6470, 10104), (6736, 9705), (7764, 8420)]