640250472

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{259001}}^1$

素因数の和:259113

約数の個数: 32

約数和(自身を含む): 1616172480

約数和(自身を除く): 975922008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 259001, 518002, 777003, 1036004, 1554006, 2072008, 3108012, 6216024, 26677103, 53354206, 80031309, 106708412, 160062618, 213416824, 320125236, 640250472]

約数ペア:

[(1, 640250472), (2, 320125236), (3, 213416824), (4, 160062618), (6, 106708412), (8, 80031309), (12, 53354206), (24, 26677103), (103, 6216024), (206, 3108012), (309, 2072008), (412, 1554006), (618, 1036004), (824, 777003), (1236, 518002), (2472, 259001)]