125631440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 320336640

約数和(自身を除く): 194705200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 367, 389, 440, 734, 778, 880, 1468, 1556, 1835, 1945, 2936, 3112, 3670, 3890, 4037, 4279, 5872, 6224, 7340, 7780, 8074, 8558, 14680, 15560, 16148, 17116, 20185, 21395, 29360, 31120, 32296, 34232, 40370, 42790, 64592, 68464, 80740, 85580, 142763, 161480, 171160, 285526, 322960, 342320, 571052, 713815, 1142104, 1427630, 1570393, 2284208, 2855260, 3140786, 5710520, 6281572, 7851965, 11421040, 12563144, 15703930, 25126288, 31407860, 62815720, 125631440]

約数ペア:

[(1, 125631440), (2, 62815720), (4, 31407860), (5, 25126288), (8, 15703930), (10, 12563144), (11, 11421040), (16, 7851965), (20, 6281572), (22, 5710520), (40, 3140786), (44, 2855260), (55, 2284208), (80, 1570393), (88, 1427630), (110, 1142104), (176, 713815), (220, 571052), (367, 342320), (389, 322960), (440, 285526), (734, 171160), (778, 161480), (880, 142763), (1468, 85580), (1556, 80740), (1835, 68464), (1945, 64592), (2936, 42790), (3112, 40370), (3670, 34232), (3890, 32296), (4037, 31120), (4279, 29360), (5872, 21395), (6224, 20185), (7340, 17116), (7780, 16148), (8074, 15560), (8558, 14680)]