639847560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{484733}}^1$

素因数の和:484758

約数の個数: 64

約数和(自身を含む): 2094050880

約数和(自身を除く): 1454203320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 484733, 969466, 1454199, 1938932, 2423665, 2908398, 3877864, 4847330, 5332063, 5816796, 7270995, 9694660, 10664126, 11633592, 14541990, 15996189, 19389320, 21328252, 26660315, 29083980, 31992378, 42656504, 53320630, 58167960, 63984756, 79980945, 106641260, 127969512, 159961890, 213282520, 319923780, 639847560]

約数ペア:

[(1, 639847560), (2, 319923780), (3, 213282520), (4, 159961890), (5, 127969512), (6, 106641260), (8, 79980945), (10, 63984756), (11, 58167960), (12, 53320630), (15, 42656504), (20, 31992378), (22, 29083980), (24, 26660315), (30, 21328252), (33, 19389320), (40, 15996189), (44, 14541990), (55, 11633592), (60, 10664126), (66, 9694660), (88, 7270995), (110, 5816796), (120, 5332063), (132, 4847330), (165, 3877864), (220, 2908398), (264, 2423665), (330, 1938932), (440, 1454199), (660, 969466), (1320, 484733)]