261688020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17239}}^1$

素因数の和:17285

約数の個数: 96

約数和(自身を含む): 834140160

約数和(自身を除く): 572452140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 132, 138, 165, 220, 230, 253, 276, 330, 345, 460, 506, 660, 690, 759, 1012, 1265, 1380, 1518, 2530, 3036, 3795, 5060, 7590, 15180, 17239, 34478, 51717, 68956, 86195, 103434, 172390, 189629, 206868, 258585, 344780, 379258, 396497, 517170, 568887, 758516, 792994, 948145, 1034340, 1137774, 1189491, 1585988, 1896290, 1982485, 2275548, 2378982, 2844435, 3792580, 3964970, 4361467, 4757964, 5688870, 5947455, 7929940, 8722934, 11377740, 11894910, 13084401, 17445868, 21807335, 23789820, 26168802, 43614670, 52337604, 65422005, 87229340, 130844010, 261688020]

約数ペア:

[(1, 261688020), (2, 130844010), (3, 87229340), (4, 65422005), (5, 52337604), (6, 43614670), (10, 26168802), (11, 23789820), (12, 21807335), (15, 17445868), (20, 13084401), (22, 11894910), (23, 11377740), (30, 8722934), (33, 7929940), (44, 5947455), (46, 5688870), (55, 4757964), (60, 4361467), (66, 3964970), (69, 3792580), (92, 2844435), (110, 2378982), (115, 2275548), (132, 1982485), (138, 1896290), (165, 1585988), (220, 1189491), (230, 1137774), (253, 1034340), (276, 948145), (330, 792994), (345, 758516), (460, 568887), (506, 517170), (660, 396497), (690, 379258), (759, 344780), (1012, 258585), (1265, 206868), (1380, 189629), (1518, 172390), (2530, 103434), (3036, 86195), (3795, 68956), (5060, 51717), (7590, 34478), (15180, 17239)]