127980840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82039}}^1$

素因数の和:82066

約数の個数: 64

約数和(自身を含む): 413481600

約数和(自身を除く): 285500760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82039, 164078, 246117, 328156, 410195, 492234, 656312, 820390, 984468, 1066507, 1230585, 1640780, 1968936, 2133014, 2461170, 3199521, 3281560, 4266028, 4922340, 5332535, 6399042, 8532056, 9844680, 10665070, 12798084, 15997605, 21330140, 25596168, 31995210, 42660280, 63990420, 127980840]

約数ペア:

[(1, 127980840), (2, 63990420), (3, 42660280), (4, 31995210), (5, 25596168), (6, 21330140), (8, 15997605), (10, 12798084), (12, 10665070), (13, 9844680), (15, 8532056), (20, 6399042), (24, 5332535), (26, 4922340), (30, 4266028), (39, 3281560), (40, 3199521), (52, 2461170), (60, 2133014), (65, 1968936), (78, 1640780), (104, 1230585), (120, 1066507), (130, 984468), (156, 820390), (195, 656312), (260, 492234), (312, 410195), (390, 328156), (520, 246117), (780, 164078), (1560, 82039)]