660771580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{115117}}^1$

素因数の和:115174

約数の個数: 48

約数和(自身を含む): 1624545216

約数和(自身を除く): 963773636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 115117, 230234, 460468, 575585, 805819, 1151170, 1611638, 2302340, 3223276, 4029095, 4719797, 8058190, 9439594, 16116380, 18879188, 23598985, 33038579, 47197970, 66077158, 94395940, 132154316, 165192895, 330385790, 660771580]

約数ペア:

[(1, 660771580), (2, 330385790), (4, 165192895), (5, 132154316), (7, 94395940), (10, 66077158), (14, 47197970), (20, 33038579), (28, 23598985), (35, 18879188), (41, 16116380), (70, 9439594), (82, 8058190), (140, 4719797), (164, 4029095), (205, 3223276), (287, 2302340), (410, 1611638), (574, 1151170), (820, 805819), (1148, 575585), (1435, 460468), (2870, 230234), (5740, 115117)]