66810860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 148865472

約数和(自身を除く): 82054612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2381, 2806, 4762, 5612, 7015, 9524, 11905, 14030, 23810, 28060, 47620, 54763, 109526, 145241, 219052, 273815, 290482, 547630, 580964, 726205, 1095260, 1452410, 2904820, 3340543, 6681086, 13362172, 16702715, 33405430, 66810860]

約数ペア:

[(1, 66810860), (2, 33405430), (4, 16702715), (5, 13362172), (10, 6681086), (20, 3340543), (23, 2904820), (46, 1452410), (61, 1095260), (92, 726205), (115, 580964), (122, 547630), (230, 290482), (244, 273815), (305, 219052), (460, 145241), (610, 109526), (1220, 54763), (1403, 47620), (2381, 28060), (2806, 23810), (4762, 14030), (5612, 11905), (7015, 9524)]