1520781360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{905227}}^1$

素因数の和:905250

約数の個数: 80

約数和(自身を含む): 5387917056

約数和(自身を除く): 3867135696

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, 905227, 1810454, 2715681, 3620908, 4526135, 5431362, 6336589, 7241816, 9052270, 10862724, 12673178, 13578405, 14483632, 18104540, 19009767, 21725448, 25346356, 27156810, 31682945, 36209080, 38019534, 43450896, 50692712, 54313620, 63365890, 72418160, 76039068, 95048835, 101385424, 108627240, 126731780, 152078136, 190097670, 217254480, 253463560, 304156272, 380195340, 506927120, 760390680, 1520781360]

約数ペア:

[(1, 1520781360), (2, 760390680), (3, 506927120), (4, 380195340), (5, 304156272), (6, 253463560), (7, 217254480), (8, 190097670), (10, 152078136), (12, 126731780), (14, 108627240), (15, 101385424), (16, 95048835), (20, 76039068), (21, 72418160), (24, 63365890), (28, 54313620), (30, 50692712), (35, 43450896), (40, 38019534), (42, 36209080), (48, 31682945), (56, 27156810), (60, 25346356), (70, 21725448), (80, 19009767), (84, 18104540), (105, 14483632), (112, 13578405), (120, 12673178), (140, 10862724), (168, 9052270), (210, 7241816), (240, 6336589), (280, 5431362), (336, 4526135), (420, 3620908), (560, 2715681), (840, 1810454), (1680, 905227)]