255971430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19889}}^1$

素因数の和:19926

約数の個数: 96

約数和(自身を含む): 781915680

約数和(自身を除く): 525944250

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 2145, 2574, 4290, 6435, 12870, 19889, 39778, 59667, 99445, 119334, 179001, 198890, 218779, 258557, 298335, 358002, 437558, 517114, 596670, 656337, 775671, 895005, 1093895, 1292785, 1312674, 1551342, 1790010, 1969011, 2187790, 2327013, 2585570, 2844127, 3281685, 3878355, 3938022, 4654026, 5688254, 6563370, 7756710, 8532381, 9845055, 11635065, 14220635, 17064762, 19690110, 23270130, 25597143, 28441270, 42661905, 51194286, 85323810, 127985715, 255971430]

約数ペア:

[(1, 255971430), (2, 127985715), (3, 85323810), (5, 51194286), (6, 42661905), (9, 28441270), (10, 25597143), (11, 23270130), (13, 19690110), (15, 17064762), (18, 14220635), (22, 11635065), (26, 9845055), (30, 8532381), (33, 7756710), (39, 6563370), (45, 5688254), (55, 4654026), (65, 3938022), (66, 3878355), (78, 3281685), (90, 2844127), (99, 2585570), (110, 2327013), (117, 2187790), (130, 1969011), (143, 1790010), (165, 1551342), (195, 1312674), (198, 1292785), (234, 1093895), (286, 895005), (330, 775671), (390, 656337), (429, 596670), (495, 517114), (585, 437558), (715, 358002), (858, 298335), (990, 258557), (1170, 218779), (1287, 198890), (1430, 179001), (2145, 119334), (2574, 99445), (4290, 59667), (6435, 39778), (12870, 19889)]