78211860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11959}}^1$

素因数の和:12080

約数の個数: 48

約数和(自身を含む): 221020800

約数和(自身を除く): 142808940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 11959, 23918, 35877, 47836, 59795, 71754, 119590, 143508, 179385, 239180, 358770, 717540, 1303531, 2607062, 3910593, 5214124, 6517655, 7821186, 13035310, 15642372, 19552965, 26070620, 39105930, 78211860]

約数ペア:

[(1, 78211860), (2, 39105930), (3, 26070620), (4, 19552965), (5, 15642372), (6, 13035310), (10, 7821186), (12, 6517655), (15, 5214124), (20, 3910593), (30, 2607062), (60, 1303531), (109, 717540), (218, 358770), (327, 239180), (436, 179385), (545, 143508), (654, 119590), (1090, 71754), (1308, 59795), (1635, 47836), (2180, 35877), (3270, 23918), (6540, 11959)]