825720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{983}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 2833920

約数和(自身を除く): 2008200

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, 983, 1966, 2949, 3932, 4915, 5898, 6881, 7864, 9830, 11796, 13762, 14745, 19660, 20643, 23592, 27524, 29490, 34405, 39320, 41286, 55048, 58980, 68810, 82572, 103215, 117960, 137620, 165144, 206430, 275240, 412860, 825720]

約数ペア:

[(1, 825720), (2, 412860), (3, 275240), (4, 206430), (5, 165144), (6, 137620), (7, 117960), (8, 103215), (10, 82572), (12, 68810), (14, 58980), (15, 55048), (20, 41286), (21, 39320), (24, 34405), (28, 29490), (30, 27524), (35, 23592), (40, 20643), (42, 19660), (56, 14745), (60, 13762), (70, 11796), (84, 9830), (105, 7864), (120, 6881), (140, 5898), (168, 4915), (210, 3932), (280, 2949), (420, 1966), (840, 983)]