31608640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 112

約数和(自身を含む): 87489792

約数和(自身を除く): 55881152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 137, 140, 160, 206, 224, 274, 280, 320, 412, 448, 515, 548, 560, 685, 721, 824, 959, 1030, 1096, 1120, 1370, 1442, 1648, 1918, 2060, 2192, 2240, 2740, 2884, 3296, 3605, 3836, 4120, 4384, 4795, 5480, 5768, 6592, 7210, 7672, 8240, 8768, 9590, 10960, 11536, 14111, 14420, 15344, 16480, 19180, 21920, 23072, 28222, 28840, 30688, 32960, 38360, 43840, 46144, 56444, 57680, 61376, 70555, 76720, 98777, 112888, 115360, 141110, 153440, 197554, 225776, 230720, 282220, 306880, 395108, 451552, 493885, 564440, 790216, 903104, 987770, 1128880, 1580432, 1975540, 2257760, 3160864, 3951080, 4515520, 6321728, 7902160, 15804320, 31608640]

約数ペア:

[(1, 31608640), (2, 15804320), (4, 7902160), (5, 6321728), (7, 4515520), (8, 3951080), (10, 3160864), (14, 2257760), (16, 1975540), (20, 1580432), (28, 1128880), (32, 987770), (35, 903104), (40, 790216), (56, 564440), (64, 493885), (70, 451552), (80, 395108), (103, 306880), (112, 282220), (137, 230720), (140, 225776), (160, 197554), (206, 153440), (224, 141110), (274, 115360), (280, 112888), (320, 98777), (412, 76720), (448, 70555), (515, 61376), (548, 57680), (560, 56444), (685, 46144), (721, 43840), (824, 38360), (959, 32960), (1030, 30688), (1096, 28840), (1120, 28222), (1370, 23072), (1442, 21920), (1648, 19180), (1918, 16480), (2060, 15344), (2192, 14420), (2240, 14111), (2740, 11536), (2884, 10960), (3296, 9590), (3605, 8768), (3836, 8240), (4120, 7672), (4384, 7210), (4795, 6592), (5480, 5768)]