81236490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 199618560

約数和(自身を除く): 118382070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 151, 158, 227, 237, 302, 395, 453, 454, 474, 681, 755, 790, 906, 1135, 1185, 1362, 1510, 2265, 2270, 2370, 3405, 4530, 6810, 11929, 17933, 23858, 34277, 35787, 35866, 53799, 59645, 68554, 71574, 89665, 102831, 107598, 119290, 171385, 178935, 179330, 205662, 268995, 342770, 357870, 514155, 537990, 1028310, 2707883, 5415766, 8123649, 13539415, 16247298, 27078830, 40618245, 81236490]

約数ペア:

[(1, 81236490), (2, 40618245), (3, 27078830), (5, 16247298), (6, 13539415), (10, 8123649), (15, 5415766), (30, 2707883), (79, 1028310), (151, 537990), (158, 514155), (227, 357870), (237, 342770), (302, 268995), (395, 205662), (453, 179330), (454, 178935), (474, 171385), (681, 119290), (755, 107598), (790, 102831), (906, 89665), (1135, 71574), (1185, 68554), (1362, 59645), (1510, 53799), (2265, 35866), (2270, 35787), (2370, 34277), (3405, 23858), (4530, 17933), (6810, 11929)]