63520840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 152895600

約数和(自身を除く): 89374760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 857, 872, 1090, 1714, 1853, 2180, 3428, 3706, 4285, 4360, 6856, 7412, 8570, 9265, 14569, 14824, 17140, 18530, 29138, 34280, 37060, 58276, 72845, 74120, 93413, 116552, 145690, 186826, 291380, 373652, 467065, 582760, 747304, 934130, 1588021, 1868260, 3176042, 3736520, 6352084, 7940105, 12704168, 15880210, 31760420, 63520840]

約数ペア:

[(1, 63520840), (2, 31760420), (4, 15880210), (5, 12704168), (8, 7940105), (10, 6352084), (17, 3736520), (20, 3176042), (34, 1868260), (40, 1588021), (68, 934130), (85, 747304), (109, 582760), (136, 467065), (170, 373652), (218, 291380), (340, 186826), (436, 145690), (545, 116552), (680, 93413), (857, 74120), (872, 72845), (1090, 58276), (1714, 37060), (1853, 34280), (2180, 29138), (3428, 18530), (3706, 17140), (4285, 14824), (4360, 14569), (6856, 9265), (7412, 8570)]