127548160

素因数分解:

$2^8\times 5^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 307507536

約数和(自身を除く): 179959376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 320, 397, 502, 640, 794, 1004, 1255, 1280, 1588, 1985, 2008, 2510, 3176, 3970, 4016, 5020, 6352, 7940, 8032, 10040, 12704, 15880, 16064, 20080, 25408, 31760, 32128, 40160, 50816, 63520, 64256, 80320, 99647, 101632, 127040, 160640, 199294, 254080, 321280, 398588, 498235, 508160, 797176, 996470, 1594352, 1992940, 3188704, 3985880, 6377408, 7971760, 12754816, 15943520, 25509632, 31887040, 63774080, 127548160]

約数ペア:

[(1, 127548160), (2, 63774080), (4, 31887040), (5, 25509632), (8, 15943520), (10, 12754816), (16, 7971760), (20, 6377408), (32, 3985880), (40, 3188704), (64, 1992940), (80, 1594352), (128, 996470), (160, 797176), (251, 508160), (256, 498235), (320, 398588), (397, 321280), (502, 254080), (640, 199294), (794, 160640), (1004, 127040), (1255, 101632), (1280, 99647), (1588, 80320), (1985, 64256), (2008, 63520), (2510, 50816), (3176, 40160), (3970, 32128), (4016, 31760), (5020, 25408), (6352, 20080), (7940, 16064), (8032, 15880), (10040, 12704)]