664765080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{791387}}^1$

素因数の和:791408

約数の個数: 64

約数和(自身を含む): 2279197440

約数和(自身を除く): 1614432360

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, 791387, 1582774, 2374161, 3165548, 3956935, 4748322, 5539709, 6331096, 7913870, 9496644, 11079418, 11870805, 15827740, 16619127, 18993288, 22158836, 23741610, 27698545, 31655480, 33238254, 44317672, 47483220, 55397090, 66476508, 83095635, 94966440, 110794180, 132953016, 166191270, 221588360, 332382540, 664765080]

約数ペア:

[(1, 664765080), (2, 332382540), (3, 221588360), (4, 166191270), (5, 132953016), (6, 110794180), (7, 94966440), (8, 83095635), (10, 66476508), (12, 55397090), (14, 47483220), (15, 44317672), (20, 33238254), (21, 31655480), (24, 27698545), (28, 23741610), (30, 22158836), (35, 18993288), (40, 16619127), (42, 15827740), (56, 11870805), (60, 11079418), (70, 9496644), (84, 7913870), (105, 6331096), (120, 5539709), (140, 4748322), (168, 3956935), (210, 3165548), (280, 2374161), (420, 1582774), (840, 791387)]