90699080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1607}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 218816640

約数和(自身を除く): 128117560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1411, 1607, 1660, 2822, 3214, 3320, 5644, 6428, 7055, 8035, 11288, 12856, 14110, 16070, 27319, 28220, 32140, 54638, 56440, 64280, 109276, 133381, 136595, 218552, 266762, 273190, 533524, 546380, 666905, 1067048, 1092760, 1333810, 2267477, 2667620, 4534954, 5335240, 9069908, 11337385, 18139816, 22674770, 45349540, 90699080]

約数ペア:

[(1, 90699080), (2, 45349540), (4, 22674770), (5, 18139816), (8, 11337385), (10, 9069908), (17, 5335240), (20, 4534954), (34, 2667620), (40, 2267477), (68, 1333810), (83, 1092760), (85, 1067048), (136, 666905), (166, 546380), (170, 533524), (332, 273190), (340, 266762), (415, 218552), (664, 136595), (680, 133381), (830, 109276), (1411, 64280), (1607, 56440), (1660, 54638), (2822, 32140), (3214, 28220), (3320, 27319), (5644, 16070), (6428, 14110), (7055, 12856), (8035, 11288)]