261873240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1693}}^1$

素因数の和:2996

約数の個数: 64

約数和(自身を含む): 786693600

約数和(自身を除く): 524820360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1289, 1693, 2578, 3386, 3867, 5079, 5156, 6445, 6772, 7734, 8465, 10158, 10312, 12890, 13544, 15468, 16930, 19335, 20316, 25395, 25780, 30936, 33860, 38670, 40632, 50790, 51560, 67720, 77340, 101580, 154680, 203160, 2182277, 4364554, 6546831, 8729108, 10911385, 13093662, 17458216, 21822770, 26187324, 32734155, 43645540, 52374648, 65468310, 87291080, 130936620, 261873240]

約数ペア:

[(1, 261873240), (2, 130936620), (3, 87291080), (4, 65468310), (5, 52374648), (6, 43645540), (8, 32734155), (10, 26187324), (12, 21822770), (15, 17458216), (20, 13093662), (24, 10911385), (30, 8729108), (40, 6546831), (60, 4364554), (120, 2182277), (1289, 203160), (1693, 154680), (2578, 101580), (3386, 77340), (3867, 67720), (5079, 51560), (5156, 50790), (6445, 40632), (6772, 38670), (7734, 33860), (8465, 30936), (10158, 25780), (10312, 25395), (12890, 20316), (13544, 19335), (15468, 16930)]