2278740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 6447168

約数和(自身を除く): 4168428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 233, 326, 466, 489, 652, 699, 815, 932, 978, 1165, 1398, 1630, 1956, 2330, 2445, 2796, 3260, 3495, 4660, 4890, 6990, 9780, 13980, 37979, 75958, 113937, 151916, 189895, 227874, 379790, 455748, 569685, 759580, 1139370, 2278740]

約数ペア:

[(1, 2278740), (2, 1139370), (3, 759580), (4, 569685), (5, 455748), (6, 379790), (10, 227874), (12, 189895), (15, 151916), (20, 113937), (30, 75958), (60, 37979), (163, 13980), (233, 9780), (326, 6990), (466, 4890), (489, 4660), (652, 3495), (699, 3260), (815, 2796), (932, 2445), (978, 2330), (1165, 1956), (1398, 1630)]