257641488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{601}}^1$

素因数の和:857

約数の個数: 120

約数和(自身を含む): 781191320

約数和(自身を除く): 523549832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 229, 234, 312, 458, 468, 601, 624, 687, 916, 936, 1202, 1374, 1803, 1832, 1872, 2061, 2404, 2748, 2977, 3606, 3664, 4122, 4808, 5409, 5496, 5954, 7212, 7813, 8244, 8931, 9616, 10818, 10992, 11908, 14424, 15626, 16488, 17862, 21636, 23439, 23816, 26793, 28848, 31252, 32976, 35724, 43272, 46878, 47632, 53586, 62504, 70317, 71448, 86544, 93756, 107172, 125008, 137629, 140634, 142896, 187512, 214344, 275258, 281268, 375024, 412887, 428688, 550516, 562536, 825774, 1101032, 1125072, 1238661, 1651548, 1789177, 2202064, 2477322, 3303096, 3578354, 4954644, 5367531, 6606192, 7156708, 9909288, 10735062, 14313416, 16102593, 19818576, 21470124, 28626832, 32205186, 42940248, 64410372, 85880496, 128820744, 257641488]

約数ペア:

[(1, 257641488), (2, 128820744), (3, 85880496), (4, 64410372), (6, 42940248), (8, 32205186), (9, 28626832), (12, 21470124), (13, 19818576), (16, 16102593), (18, 14313416), (24, 10735062), (26, 9909288), (36, 7156708), (39, 6606192), (48, 5367531), (52, 4954644), (72, 3578354), (78, 3303096), (104, 2477322), (117, 2202064), (144, 1789177), (156, 1651548), (208, 1238661), (229, 1125072), (234, 1101032), (312, 825774), (458, 562536), (468, 550516), (601, 428688), (624, 412887), (687, 375024), (916, 281268), (936, 275258), (1202, 214344), (1374, 187512), (1803, 142896), (1832, 140634), (1872, 137629), (2061, 125008), (2404, 107172), (2748, 93756), (2977, 86544), (3606, 71448), (3664, 70317), (4122, 62504), (4808, 53586), (5409, 47632), (5496, 46878), (5954, 43272), (7212, 35724), (7813, 32976), (8244, 31252), (8931, 28848), (9616, 26793), (10818, 23816), (10992, 23439), (11908, 21636), (14424, 17862), (15626, 16488)]