660264880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4337}}^1$

素因数の和:4534

約数の個数: 80

約数和(自身を含む): 1684740384

約数和(自身を除く): 1024475504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1384, 1730, 1903, 2768, 3460, 3806, 4337, 6920, 7612, 8674, 9515, 13840, 15224, 17348, 19030, 21685, 30448, 34696, 38060, 43370, 47707, 69392, 76120, 86740, 95414, 152240, 173480, 190828, 238535, 346960, 381656, 477070, 750301, 763312, 954140, 1500602, 1908280, 3001204, 3751505, 3816560, 6002408, 7503010, 8253311, 12004816, 15006020, 16506622, 30012040, 33013244, 41266555, 60024080, 66026488, 82533110, 132052976, 165066220, 330132440, 660264880]

約数ペア:

[(1, 660264880), (2, 330132440), (4, 165066220), (5, 132052976), (8, 82533110), (10, 66026488), (11, 60024080), (16, 41266555), (20, 33013244), (22, 30012040), (40, 16506622), (44, 15006020), (55, 12004816), (80, 8253311), (88, 7503010), (110, 6002408), (173, 3816560), (176, 3751505), (220, 3001204), (346, 1908280), (440, 1500602), (692, 954140), (865, 763312), (880, 750301), (1384, 477070), (1730, 381656), (1903, 346960), (2768, 238535), (3460, 190828), (3806, 173480), (4337, 152240), (6920, 95414), (7612, 86740), (8674, 76120), (9515, 69392), (13840, 47707), (15224, 43370), (17348, 38060), (19030, 34696), (21685, 30448)]