212606520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253103}}^1$

素因数の和:253124

約数の個数: 64

約数和(自身を含む): 728939520

約数和(自身を除く): 516333000

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, 253103, 506206, 759309, 1012412, 1265515, 1518618, 1771721, 2024824, 2531030, 3037236, 3543442, 3796545, 5062060, 5315163, 6074472, 7086884, 7593090, 8858605, 10124120, 10630326, 14173768, 15186180, 17717210, 21260652, 26575815, 30372360, 35434420, 42521304, 53151630, 70868840, 106303260, 212606520]

約数ペア:

[(1, 212606520), (2, 106303260), (3, 70868840), (4, 53151630), (5, 42521304), (6, 35434420), (7, 30372360), (8, 26575815), (10, 21260652), (12, 17717210), (14, 15186180), (15, 14173768), (20, 10630326), (21, 10124120), (24, 8858605), (28, 7593090), (30, 7086884), (35, 6074472), (40, 5315163), (42, 5062060), (56, 3796545), (60, 3543442), (70, 3037236), (84, 2531030), (105, 2024824), (120, 1771721), (140, 1518618), (168, 1265515), (210, 1012412), (280, 759309), (420, 506206), (840, 253103)]