1228020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 3490368

約数和(自身を除く): 2262348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 211, 291, 388, 422, 485, 582, 633, 844, 970, 1055, 1164, 1266, 1455, 1940, 2110, 2532, 2910, 3165, 4220, 5820, 6330, 12660, 20467, 40934, 61401, 81868, 102335, 122802, 204670, 245604, 307005, 409340, 614010, 1228020]

約数ペア:

[(1, 1228020), (2, 614010), (3, 409340), (4, 307005), (5, 245604), (6, 204670), (10, 122802), (12, 102335), (15, 81868), (20, 61401), (30, 40934), (60, 20467), (97, 12660), (194, 6330), (211, 5820), (291, 4220), (388, 3165), (422, 2910), (485, 2532), (582, 2110), (633, 1940), (844, 1455), (970, 1266), (1055, 1164)]