68729320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{863}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 169827840

約数和(自身を除く): 101098520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 863, 905, 1448, 1726, 1810, 1991, 3452, 3620, 3982, 4315, 6904, 7240, 7964, 8630, 9493, 9955, 15928, 17260, 18986, 19910, 34520, 37972, 39820, 47465, 75944, 79640, 94930, 156203, 189860, 312406, 379720, 624812, 781015, 1249624, 1562030, 1718233, 3124060, 3436466, 6248120, 6872932, 8591165, 13745864, 17182330, 34364660, 68729320]

約数ペア:

[(1, 68729320), (2, 34364660), (4, 17182330), (5, 13745864), (8, 8591165), (10, 6872932), (11, 6248120), (20, 3436466), (22, 3124060), (40, 1718233), (44, 1562030), (55, 1249624), (88, 781015), (110, 624812), (181, 379720), (220, 312406), (362, 189860), (440, 156203), (724, 94930), (863, 79640), (905, 75944), (1448, 47465), (1726, 39820), (1810, 37972), (1991, 34520), (3452, 19910), (3620, 18986), (3982, 17260), (4315, 15928), (6904, 9955), (7240, 9493), (7964, 8630)]