30811760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55021}}^1$

素因数の和:55041

約数の個数: 40

約数和(自身を含む): 81872736

約数和(自身を除く): 51060976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55021, 110042, 220084, 275105, 385147, 440168, 550210, 770294, 880336, 1100420, 1540588, 1925735, 2200840, 3081176, 3851470, 4401680, 6162352, 7702940, 15405880, 30811760]

約数ペア:

[(1, 30811760), (2, 15405880), (4, 7702940), (5, 6162352), (7, 4401680), (8, 3851470), (10, 3081176), (14, 2200840), (16, 1925735), (20, 1540588), (28, 1100420), (35, 880336), (40, 770294), (56, 550210), (70, 440168), (80, 385147), (112, 275105), (140, 220084), (280, 110042), (560, 55021)]