28630860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20747}}^1$

素因数の和:20782

約数の個数: 48

約数和(自身を含む): 83655936

約数和(自身を除く): 55025076

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, 1380, 20747, 41494, 62241, 82988, 103735, 124482, 207470, 248964, 311205, 414940, 477181, 622410, 954362, 1244820, 1431543, 1908724, 2385905, 2863086, 4771810, 5726172, 7157715, 9543620, 14315430, 28630860]

約数ペア:

[(1, 28630860), (2, 14315430), (3, 9543620), (4, 7157715), (5, 5726172), (6, 4771810), (10, 2863086), (12, 2385905), (15, 1908724), (20, 1431543), (23, 1244820), (30, 954362), (46, 622410), (60, 477181), (69, 414940), (92, 311205), (115, 248964), (138, 207470), (230, 124482), (276, 103735), (345, 82988), (460, 62241), (690, 41494), (1380, 20747)]