258845580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{205433}}^1$

素因数の和:205455

約数の個数: 72

約数和(自身を含む): 897335712

約数和(自身を除く): 638490132

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, 205433, 410866, 616299, 821732, 1027165, 1232598, 1438031, 1848897, 2054330, 2465196, 2876062, 3081495, 3697794, 4108660, 4314093, 5752124, 6162990, 7190155, 7395588, 8628186, 9244485, 12325980, 12942279, 14380310, 17256372, 18488970, 21570465, 25884558, 28760620, 36977940, 43140930, 51769116, 64711395, 86281860, 129422790, 258845580]

約数ペア:

[(1, 258845580), (2, 129422790), (3, 86281860), (4, 64711395), (5, 51769116), (6, 43140930), (7, 36977940), (9, 28760620), (10, 25884558), (12, 21570465), (14, 18488970), (15, 17256372), (18, 14380310), (20, 12942279), (21, 12325980), (28, 9244485), (30, 8628186), (35, 7395588), (36, 7190155), (42, 6162990), (45, 5752124), (60, 4314093), (63, 4108660), (70, 3697794), (84, 3081495), (90, 2876062), (105, 2465196), (126, 2054330), (140, 1848897), (180, 1438031), (210, 1232598), (252, 1027165), (315, 821732), (420, 616299), (630, 410866), (1260, 205433)]