155655307880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{195047}}^1$

素因数の和:195410

約数の個数: 64

約数和(自身を含む): 356422913280

約数和(自身を除く): 200767605400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 281, 284, 355, 562, 568, 710, 1124, 1405, 1420, 2248, 2810, 2840, 5620, 11240, 19951, 39902, 79804, 99755, 159608, 195047, 199510, 390094, 399020, 780188, 798040, 975235, 1560376, 1950470, 3900940, 7801880, 13848337, 27696674, 54808207, 55393348, 69241685, 109616414, 110786696, 138483370, 219232828, 274041035, 276966740, 438465656, 548082070, 553933480, 1096164140, 2192328280, 3891382697, 7782765394, 15565530788, 19456913485, 31131061576, 38913826970, 77827653940, 155655307880]

約数ペア:

[(1, 155655307880), (2, 77827653940), (4, 38913826970), (5, 31131061576), (8, 19456913485), (10, 15565530788), (20, 7782765394), (40, 3891382697), (71, 2192328280), (142, 1096164140), (281, 553933480), (284, 548082070), (355, 438465656), (562, 276966740), (568, 274041035), (710, 219232828), (1124, 138483370), (1405, 110786696), (1420, 109616414), (2248, 69241685), (2810, 55393348), (2840, 54808207), (5620, 27696674), (11240, 13848337), (19951, 7801880), (39902, 3900940), (79804, 1950470), (99755, 1560376), (159608, 975235), (195047, 798040), (199510, 780188), (390094, 399020)]