181212780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61637}}^1$

素因数の和:61663

約数の個数: 72

約数和(自身を含む): 590245488

約数和(自身を除く): 409032708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 61637, 123274, 184911, 246548, 308185, 369822, 431459, 616370, 739644, 862918, 924555, 1232740, 1294377, 1725836, 1849110, 2157295, 2588754, 3020213, 3698220, 4314590, 5177508, 6040426, 6471885, 8629180, 9060639, 12080852, 12943770, 15101065, 18121278, 25887540, 30202130, 36242556, 45303195, 60404260, 90606390, 181212780]

約数ペア:

[(1, 181212780), (2, 90606390), (3, 60404260), (4, 45303195), (5, 36242556), (6, 30202130), (7, 25887540), (10, 18121278), (12, 15101065), (14, 12943770), (15, 12080852), (20, 9060639), (21, 8629180), (28, 6471885), (30, 6040426), (35, 5177508), (42, 4314590), (49, 3698220), (60, 3020213), (70, 2588754), (84, 2157295), (98, 1849110), (105, 1725836), (140, 1294377), (147, 1232740), (196, 924555), (210, 862918), (245, 739644), (294, 616370), (420, 431459), (490, 369822), (588, 308185), (735, 246548), (980, 184911), (1470, 123274), (2940, 61637)]