128406120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3863}}^1$

素因数の和:4154

約数の個数: 64

約数和(自身を含む): 386709120

約数和(自身を除く): 258303000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 3863, 4155, 5540, 6648, 7726, 8310, 11080, 11589, 15452, 16620, 19315, 23178, 30904, 33240, 38630, 46356, 57945, 77260, 92712, 115890, 154520, 231780, 463560, 1070051, 2140102, 3210153, 4280204, 5350255, 6420306, 8560408, 10700510, 12840612, 16050765, 21401020, 25681224, 32101530, 42802040, 64203060, 128406120]

約数ペア:

[(1, 128406120), (2, 64203060), (3, 42802040), (4, 32101530), (5, 25681224), (6, 21401020), (8, 16050765), (10, 12840612), (12, 10700510), (15, 8560408), (20, 6420306), (24, 5350255), (30, 4280204), (40, 3210153), (60, 2140102), (120, 1070051), (277, 463560), (554, 231780), (831, 154520), (1108, 115890), (1385, 92712), (1662, 77260), (2216, 57945), (2770, 46356), (3324, 38630), (3863, 33240), (4155, 30904), (5540, 23178), (6648, 19315), (7726, 16620), (8310, 15452), (11080, 11589)]