253621620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{201287}}^1$

素因数の和:201309

約数の個数: 72

約数和(自身を含む): 879225984

約数和(自身を除く): 625604364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 201287, 402574, 603861, 805148, 1006435, 1207722, 1409009, 1811583, 2012870, 2415444, 2818018, 3019305, 3623166, 4025740, 4227027, 5636036, 6038610, 7045045, 7246332, 8454054, 9057915, 12077220, 12681081, 14090090, 16908108, 18115830, 21135135, 25362162, 28180180, 36231660, 42270270, 50724324, 63405405, 84540540, 126810810, 253621620]

約数ペア:

[(1, 253621620), (2, 126810810), (3, 84540540), (4, 63405405), (5, 50724324), (6, 42270270), (7, 36231660), (9, 28180180), (10, 25362162), (12, 21135135), (14, 18115830), (15, 16908108), (18, 14090090), (20, 12681081), (21, 12077220), (28, 9057915), (30, 8454054), (35, 7246332), (36, 7045045), (42, 6038610), (45, 5636036), (60, 4227027), (63, 4025740), (70, 3623166), (84, 3019305), (90, 2818018), (105, 2415444), (126, 2012870), (140, 1811583), (180, 1409009), (210, 1207722), (252, 1006435), (315, 805148), (420, 603861), (630, 402574), (1260, 201287)]