87475760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 124653520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 430, 431, 472, 590, 688, 860, 862, 944, 1180, 1720, 1724, 2155, 2360, 2537, 3440, 3448, 4310, 4720, 5074, 6896, 8620, 10148, 12685, 17240, 18533, 20296, 25370, 25429, 34480, 37066, 40592, 50740, 50858, 74132, 92665, 101480, 101716, 127145, 148264, 185330, 202960, 203432, 254290, 296528, 370660, 406864, 508580, 741320, 1017160, 1093447, 1482640, 2034320, 2186894, 4373788, 5467235, 8747576, 10934470, 17495152, 21868940, 43737880, 87475760]

約数ペア:

[(1, 87475760), (2, 43737880), (4, 21868940), (5, 17495152), (8, 10934470), (10, 8747576), (16, 5467235), (20, 4373788), (40, 2186894), (43, 2034320), (59, 1482640), (80, 1093447), (86, 1017160), (118, 741320), (172, 508580), (215, 406864), (236, 370660), (295, 296528), (344, 254290), (430, 203432), (431, 202960), (472, 185330), (590, 148264), (688, 127145), (860, 101716), (862, 101480), (944, 92665), (1180, 74132), (1720, 50858), (1724, 50740), (2155, 40592), (2360, 37066), (2537, 34480), (3440, 25429), (3448, 25370), (4310, 20296), (4720, 18533), (5074, 17240), (6896, 12685), (8620, 10148)]