81011760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1487}}^1$

素因数の和:1730

約数の個数: 80

約数和(自身を含む): 252412416

約数和(自身を除く): 171400656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 454, 681, 908, 1135, 1362, 1487, 1816, 2270, 2724, 2974, 3405, 3632, 4461, 4540, 5448, 5948, 6810, 7435, 8922, 9080, 10896, 11896, 13620, 14870, 17844, 18160, 22305, 23792, 27240, 29740, 35688, 44610, 54480, 59480, 71376, 89220, 118960, 178440, 337549, 356880, 675098, 1012647, 1350196, 1687745, 2025294, 2700392, 3375490, 4050588, 5063235, 5400784, 6750980, 8101176, 10126470, 13501960, 16202352, 20252940, 27003920, 40505880, 81011760]

約数ペア:

[(1, 81011760), (2, 40505880), (3, 27003920), (4, 20252940), (5, 16202352), (6, 13501960), (8, 10126470), (10, 8101176), (12, 6750980), (15, 5400784), (16, 5063235), (20, 4050588), (24, 3375490), (30, 2700392), (40, 2025294), (48, 1687745), (60, 1350196), (80, 1012647), (120, 675098), (227, 356880), (240, 337549), (454, 178440), (681, 118960), (908, 89220), (1135, 71376), (1362, 59480), (1487, 54480), (1816, 44610), (2270, 35688), (2724, 29740), (2974, 27240), (3405, 23792), (3632, 22305), (4461, 18160), (4540, 17844), (5448, 14870), (5948, 13620), (6810, 11896), (7435, 10896), (8922, 9080)]