745080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 2557440

約数和(自身を除く): 1812360

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, 887, 1774, 2661, 3548, 4435, 5322, 6209, 7096, 8870, 10644, 12418, 13305, 17740, 18627, 21288, 24836, 26610, 31045, 35480, 37254, 49672, 53220, 62090, 74508, 93135, 106440, 124180, 149016, 186270, 248360, 372540, 745080]

約数ペア:

[(1, 745080), (2, 372540), (3, 248360), (4, 186270), (5, 149016), (6, 124180), (7, 106440), (8, 93135), (10, 74508), (12, 62090), (14, 53220), (15, 49672), (20, 37254), (21, 35480), (24, 31045), (28, 26610), (30, 24836), (35, 21288), (40, 18627), (42, 17740), (56, 13305), (60, 12418), (70, 10644), (84, 8870), (105, 7096), (120, 6209), (140, 5322), (168, 4435), (210, 3548), (280, 2661), (420, 1774), (840, 887)]