878640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{523}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 3118848

約数和(自身を除く): 2240208

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, 523, 560, 840, 1046, 1569, 1680, 2092, 2615, 3138, 3661, 4184, 5230, 6276, 7322, 7845, 8368, 10460, 10983, 12552, 14644, 15690, 18305, 20920, 21966, 25104, 29288, 31380, 36610, 41840, 43932, 54915, 58576, 62760, 73220, 87864, 109830, 125520, 146440, 175728, 219660, 292880, 439320, 878640]

約数ペア:

[(1, 878640), (2, 439320), (3, 292880), (4, 219660), (5, 175728), (6, 146440), (7, 125520), (8, 109830), (10, 87864), (12, 73220), (14, 62760), (15, 58576), (16, 54915), (20, 43932), (21, 41840), (24, 36610), (28, 31380), (30, 29288), (35, 25104), (40, 21966), (42, 20920), (48, 18305), (56, 15690), (60, 14644), (70, 12552), (80, 10983), (84, 10460), (105, 8368), (112, 7845), (120, 7322), (140, 6276), (168, 5230), (210, 4184), (240, 3661), (280, 3138), (336, 2615), (420, 2092), (523, 1680), (560, 1569), (840, 1046)]