30665720

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1663}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 69189120

約数和(自身を除く): 38523400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1663, 1844, 2305, 3326, 3688, 4610, 6652, 8315, 9220, 13304, 16630, 18440, 33260, 66520, 766643, 1533286, 3066572, 3833215, 6133144, 7666430, 15332860, 30665720]

約数ペア:

[(1, 30665720), (2, 15332860), (4, 7666430), (5, 6133144), (8, 3833215), (10, 3066572), (20, 1533286), (40, 766643), (461, 66520), (922, 33260), (1663, 18440), (1844, 16630), (2305, 13304), (3326, 9220), (3688, 8315), (4610, 6652)]