123520720

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1867}}^1$

素因数の和:2707

約数の個数: 40

約数和(自身を含む): 287686944

約数和(自身を除く): 164166224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 1867, 3308, 3734, 4135, 6616, 7468, 8270, 9335, 13232, 14936, 16540, 18670, 29872, 33080, 37340, 66160, 74680, 149360, 1544009, 3088018, 6176036, 7720045, 12352072, 15440090, 24704144, 30880180, 61760360, 123520720]

約数ペア:

[(1, 123520720), (2, 61760360), (4, 30880180), (5, 24704144), (8, 15440090), (10, 12352072), (16, 7720045), (20, 6176036), (40, 3088018), (80, 1544009), (827, 149360), (1654, 74680), (1867, 66160), (3308, 37340), (3734, 33080), (4135, 29872), (6616, 18670), (7468, 16540), (8270, 14936), (9335, 13232)]