647514120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{490541}}^1$

素因数の和:490566

約数の個数: 64

約数和(自身を含む): 2119141440

約数和(自身を除く): 1471627320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 490541, 981082, 1471623, 1962164, 2452705, 2943246, 3924328, 4905410, 5395951, 5886492, 7358115, 9810820, 10791902, 11772984, 14716230, 16187853, 19621640, 21583804, 26979755, 29432460, 32375706, 43167608, 53959510, 58864920, 64751412, 80939265, 107919020, 129502824, 161878530, 215838040, 323757060, 647514120]

約数ペア:

[(1, 647514120), (2, 323757060), (3, 215838040), (4, 161878530), (5, 129502824), (6, 107919020), (8, 80939265), (10, 64751412), (11, 58864920), (12, 53959510), (15, 43167608), (20, 32375706), (22, 29432460), (24, 26979755), (30, 21583804), (33, 19621640), (40, 16187853), (44, 14716230), (55, 11772984), (60, 10791902), (66, 9810820), (88, 7358115), (110, 5886492), (120, 5395951), (132, 4905410), (165, 3924328), (220, 2943246), (264, 2452705), (330, 1962164), (440, 1471623), (660, 981082), (1320, 490541)]