261435960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1811}}^1$

素因数の和:2229

約数の個数: 96

約数和(自身を含む): 852256080

約数和(自身を除く): 590820120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 401, 802, 1203, 1604, 1811, 2005, 2406, 3208, 3609, 3622, 4010, 4812, 5433, 6015, 7218, 7244, 8020, 9055, 9624, 10866, 12030, 14436, 14488, 16040, 16299, 18045, 18110, 21732, 24060, 27165, 28872, 32598, 36090, 36220, 43464, 48120, 54330, 65196, 72180, 72440, 81495, 108660, 130392, 144360, 162990, 217320, 325980, 651960, 726211, 1452422, 2178633, 2904844, 3631055, 4357266, 5809688, 6535899, 7262110, 8714532, 10893165, 13071798, 14524220, 17429064, 21786330, 26143596, 29048440, 32679495, 43572660, 52287192, 65358990, 87145320, 130717980, 261435960]

約数ペア:

[(1, 261435960), (2, 130717980), (3, 87145320), (4, 65358990), (5, 52287192), (6, 43572660), (8, 32679495), (9, 29048440), (10, 26143596), (12, 21786330), (15, 17429064), (18, 14524220), (20, 13071798), (24, 10893165), (30, 8714532), (36, 7262110), (40, 6535899), (45, 5809688), (60, 4357266), (72, 3631055), (90, 2904844), (120, 2178633), (180, 1452422), (360, 726211), (401, 651960), (802, 325980), (1203, 217320), (1604, 162990), (1811, 144360), (2005, 130392), (2406, 108660), (3208, 81495), (3609, 72440), (3622, 72180), (4010, 65196), (4812, 54330), (5433, 48120), (6015, 43464), (7218, 36220), (7244, 36090), (8020, 32598), (9055, 28872), (9624, 27165), (10866, 24060), (12030, 21732), (14436, 18110), (14488, 18045), (16040, 16299)]