1220520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1453}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 4187520

約数和(自身を除く): 2967000

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, 1453, 2906, 4359, 5812, 7265, 8718, 10171, 11624, 14530, 17436, 20342, 21795, 29060, 30513, 34872, 40684, 43590, 50855, 58120, 61026, 81368, 87180, 101710, 122052, 152565, 174360, 203420, 244104, 305130, 406840, 610260, 1220520]

約数ペア:

[(1, 1220520), (2, 610260), (3, 406840), (4, 305130), (5, 244104), (6, 203420), (7, 174360), (8, 152565), (10, 122052), (12, 101710), (14, 87180), (15, 81368), (20, 61026), (21, 58120), (24, 50855), (28, 43590), (30, 40684), (35, 34872), (40, 30513), (42, 29060), (56, 21795), (60, 20342), (70, 17436), (84, 14530), (105, 11624), (120, 10171), (140, 8718), (168, 7265), (210, 5812), (280, 4359), (420, 2906), (840, 1453)]