85411980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5717}}^1$

素因数の和:5815

約数の個数: 72

約数和(自身を含む): 262250352

約数和(自身を除く): 176838372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 5717, 7470, 11434, 14940, 17151, 22868, 28585, 34302, 51453, 57170, 68604, 85755, 102906, 114340, 171510, 205812, 257265, 343020, 474511, 514530, 949022, 1029060, 1423533, 1898044, 2372555, 2847066, 4270599, 4745110, 5694132, 7117665, 8541198, 9490220, 14235330, 17082396, 21352995, 28470660, 42705990, 85411980]

約数ペア:

[(1, 85411980), (2, 42705990), (3, 28470660), (4, 21352995), (5, 17082396), (6, 14235330), (9, 9490220), (10, 8541198), (12, 7117665), (15, 5694132), (18, 4745110), (20, 4270599), (30, 2847066), (36, 2372555), (45, 1898044), (60, 1423533), (83, 1029060), (90, 949022), (166, 514530), (180, 474511), (249, 343020), (332, 257265), (415, 205812), (498, 171510), (747, 114340), (830, 102906), (996, 85755), (1245, 68604), (1494, 57170), (1660, 51453), (2490, 34302), (2988, 28585), (3735, 22868), (4980, 17151), (5717, 14940), (7470, 11434)]