117279920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 282577152

約数和(自身を除く): 165297232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 103, 172, 206, 215, 331, 344, 412, 430, 515, 662, 688, 824, 860, 1030, 1324, 1648, 1655, 1720, 2060, 2648, 3310, 3440, 4120, 4429, 5296, 6620, 8240, 8858, 13240, 14233, 17716, 22145, 26480, 28466, 34093, 35432, 44290, 56932, 68186, 70864, 71165, 88580, 113864, 136372, 142330, 170465, 177160, 227728, 272744, 284660, 340930, 354320, 545488, 569320, 681860, 1138640, 1363720, 1465999, 2727440, 2931998, 5863996, 7329995, 11727992, 14659990, 23455984, 29319980, 58639960, 117279920]

約数ペア:

[(1, 117279920), (2, 58639960), (4, 29319980), (5, 23455984), (8, 14659990), (10, 11727992), (16, 7329995), (20, 5863996), (40, 2931998), (43, 2727440), (80, 1465999), (86, 1363720), (103, 1138640), (172, 681860), (206, 569320), (215, 545488), (331, 354320), (344, 340930), (412, 284660), (430, 272744), (515, 227728), (662, 177160), (688, 170465), (824, 142330), (860, 136372), (1030, 113864), (1324, 88580), (1648, 71165), (1655, 70864), (1720, 68186), (2060, 56932), (2648, 44290), (3310, 35432), (3440, 34093), (4120, 28466), (4429, 26480), (5296, 22145), (6620, 17716), (8240, 14233), (8858, 13240)]