638441880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5320349}}^1$

素因数の和:5320363

約数の個数: 32

約数和(自身を含む): 1915326000

約数和(自身を除く): 1276884120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5320349, 10640698, 15961047, 21281396, 26601745, 31922094, 42562792, 53203490, 63844188, 79805235, 106406980, 127688376, 159610470, 212813960, 319220940, 638441880]

約数ペア:

[(1, 638441880), (2, 319220940), (3, 212813960), (4, 159610470), (5, 127688376), (6, 106406980), (8, 79805235), (10, 63844188), (12, 53203490), (15, 42562792), (20, 31922094), (24, 26601745), (30, 21281396), (40, 15961047), (60, 10640698), (120, 5320349)]