1278480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{761}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 4535424

約数和(自身を除く): 3256944

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, 761, 840, 1522, 1680, 2283, 3044, 3805, 4566, 5327, 6088, 7610, 9132, 10654, 11415, 12176, 15220, 15981, 18264, 21308, 22830, 26635, 30440, 31962, 36528, 42616, 45660, 53270, 60880, 63924, 79905, 85232, 91320, 106540, 127848, 159810, 182640, 213080, 255696, 319620, 426160, 639240, 1278480]

約数ペア:

[(1, 1278480), (2, 639240), (3, 426160), (4, 319620), (5, 255696), (6, 213080), (7, 182640), (8, 159810), (10, 127848), (12, 106540), (14, 91320), (15, 85232), (16, 79905), (20, 63924), (21, 60880), (24, 53270), (28, 45660), (30, 42616), (35, 36528), (40, 31962), (42, 30440), (48, 26635), (56, 22830), (60, 21308), (70, 18264), (80, 15981), (84, 15220), (105, 12176), (112, 11415), (120, 10654), (140, 9132), (168, 7610), (210, 6088), (240, 5327), (280, 4566), (336, 3805), (420, 3044), (560, 2283), (761, 1680), (840, 1522)]