1245720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1483}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 4273920

約数和(自身を除く): 3028200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1483, 2966, 4449, 5932, 7415, 8898, 10381, 11864, 14830, 17796, 20762, 22245, 29660, 31143, 35592, 41524, 44490, 51905, 59320, 62286, 83048, 88980, 103810, 124572, 155715, 177960, 207620, 249144, 311430, 415240, 622860, 1245720]

約数ペア:

[(1, 1245720), (2, 622860), (3, 415240), (4, 311430), (5, 249144), (6, 207620), (7, 177960), (8, 155715), (10, 124572), (12, 103810), (14, 88980), (15, 83048), (20, 62286), (21, 59320), (24, 51905), (28, 44490), (30, 41524), (35, 35592), (40, 31143), (42, 29660), (56, 22245), (60, 20762), (70, 17796), (84, 14830), (105, 11864), (120, 10381), (140, 8898), (168, 7415), (210, 5932), (280, 4449), (420, 2966), (840, 1483)]