212572920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253063}}^1$

素因数の和:253084

約数の個数: 64

約数和(自身を含む): 728824320

約数和(自身を除く): 516251400

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, 253063, 506126, 759189, 1012252, 1265315, 1518378, 1771441, 2024504, 2530630, 3036756, 3542882, 3795945, 5061260, 5314323, 6073512, 7085764, 7591890, 8857205, 10122520, 10628646, 14171528, 15183780, 17714410, 21257292, 26571615, 30367560, 35428820, 42514584, 53143230, 70857640, 106286460, 212572920]

約数ペア:

[(1, 212572920), (2, 106286460), (3, 70857640), (4, 53143230), (5, 42514584), (6, 35428820), (7, 30367560), (8, 26571615), (10, 21257292), (12, 17714410), (14, 15183780), (15, 14171528), (20, 10628646), (21, 10122520), (24, 8857205), (28, 7591890), (30, 7085764), (35, 6073512), (40, 5314323), (42, 5061260), (56, 3795945), (60, 3542882), (70, 3036756), (84, 2530630), (105, 2024504), (120, 1771441), (140, 1518378), (168, 1265315), (210, 1012252), (280, 759189), (420, 506126), (840, 253063)]