31370280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1327}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 94659840

約数和(自身を除く): 63289560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1327, 1576, 1970, 2364, 2654, 2955, 3940, 3981, 4728, 5308, 5910, 6635, 7880, 7962, 10616, 11820, 13270, 15924, 19905, 23640, 26540, 31848, 39810, 53080, 79620, 159240, 261419, 522838, 784257, 1045676, 1307095, 1568514, 2091352, 2614190, 3137028, 3921285, 5228380, 6274056, 7842570, 10456760, 15685140, 31370280]

約数ペア:

[(1, 31370280), (2, 15685140), (3, 10456760), (4, 7842570), (5, 6274056), (6, 5228380), (8, 3921285), (10, 3137028), (12, 2614190), (15, 2091352), (20, 1568514), (24, 1307095), (30, 1045676), (40, 784257), (60, 522838), (120, 261419), (197, 159240), (394, 79620), (591, 53080), (788, 39810), (985, 31848), (1182, 26540), (1327, 23640), (1576, 19905), (1970, 15924), (2364, 13270), (2654, 11820), (2955, 10616), (3940, 7962), (3981, 7880), (4728, 6635), (5308, 5910)]