1687740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 4935168

約数和(自身を除く): 3247428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1223, 1380, 2446, 3669, 4892, 6115, 7338, 12230, 14676, 18345, 24460, 28129, 36690, 56258, 73380, 84387, 112516, 140645, 168774, 281290, 337548, 421935, 562580, 843870, 1687740]

約数ペア:

[(1, 1687740), (2, 843870), (3, 562580), (4, 421935), (5, 337548), (6, 281290), (10, 168774), (12, 140645), (15, 112516), (20, 84387), (23, 73380), (30, 56258), (46, 36690), (60, 28129), (69, 24460), (92, 18345), (115, 14676), (138, 12230), (230, 7338), (276, 6115), (345, 4892), (460, 3669), (690, 2446), (1223, 1380)]