258235488

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 216

約数和(自身を含む): 885109680

約数和(自身を除く): 626874192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 96, 98, 112, 116, 126, 144, 147, 168, 174, 196, 203, 224, 232, 252, 261, 288, 294, 336, 348, 392, 406, 441, 464, 504, 522, 588, 609, 631, 672, 696, 784, 812, 882, 928, 1008, 1044, 1176, 1218, 1262, 1392, 1421, 1568, 1624, 1764, 1827, 1893, 2016, 2088, 2352, 2436, 2524, 2784, 2842, 3248, 3528, 3654, 3786, 4176, 4263, 4417, 4704, 4872, 5048, 5679, 5684, 6496, 7056, 7308, 7572, 8352, 8526, 8834, 9744, 10096, 11358, 11368, 12789, 13251, 14112, 14616, 15144, 17052, 17668, 18299, 19488, 20192, 22716, 22736, 25578, 26502, 29232, 30288, 30919, 34104, 35336, 36598, 39753, 45432, 45472, 51156, 53004, 54897, 58464, 60576, 61838, 68208, 70672, 73196, 79506, 90864, 92757, 102312, 106008, 109794, 123676, 128093, 136416, 141344, 146392, 159012, 164691, 181728, 185514, 204624, 212016, 219588, 247352, 256186, 278271, 292784, 318024, 329382, 371028, 384279, 409248, 424032, 439176, 494704, 512372, 556542, 585568, 636048, 658764, 742056, 768558, 878352, 896651, 989408, 1024744, 1113084, 1152837, 1272096, 1317528, 1484112, 1537116, 1756704, 1793302, 2049488, 2226168, 2305674, 2635056, 2689953, 2968224, 3074232, 3586604, 4098976, 4452336, 4611348, 5270112, 5379906, 6148464, 7173208, 8069859, 8904672, 9222696, 10759812, 12296928, 14346416, 16139718, 18445392, 21519624, 28692832, 32279436, 36890784, 43039248, 64558872, 86078496, 129117744, 258235488]

約数ペア:

[(1, 258235488), (2, 129117744), (3, 86078496), (4, 64558872), (6, 43039248), (7, 36890784), (8, 32279436), (9, 28692832), (12, 21519624), (14, 18445392), (16, 16139718), (18, 14346416), (21, 12296928), (24, 10759812), (28, 9222696), (29, 8904672), (32, 8069859), (36, 7173208), (42, 6148464), (48, 5379906), (49, 5270112), (56, 4611348), (58, 4452336), (63, 4098976), (72, 3586604), (84, 3074232), (87, 2968224), (96, 2689953), (98, 2635056), (112, 2305674), (116, 2226168), (126, 2049488), (144, 1793302), (147, 1756704), (168, 1537116), (174, 1484112), (196, 1317528), (203, 1272096), (224, 1152837), (232, 1113084), (252, 1024744), (261, 989408), (288, 896651), (294, 878352), (336, 768558), (348, 742056), (392, 658764), (406, 636048), (441, 585568), (464, 556542), (504, 512372), (522, 494704), (588, 439176), (609, 424032), (631, 409248), (672, 384279), (696, 371028), (784, 329382), (812, 318024), (882, 292784), (928, 278271), (1008, 256186), (1044, 247352), (1176, 219588), (1218, 212016), (1262, 204624), (1392, 185514), (1421, 181728), (1568, 164691), (1624, 159012), (1764, 146392), (1827, 141344), (1893, 136416), (2016, 128093), (2088, 123676), (2352, 109794), (2436, 106008), (2524, 102312), (2784, 92757), (2842, 90864), (3248, 79506), (3528, 73196), (3654, 70672), (3786, 68208), (4176, 61838), (4263, 60576), (4417, 58464), (4704, 54897), (4872, 53004), (5048, 51156), (5679, 45472), (5684, 45432), (6496, 39753), (7056, 36598), (7308, 35336), (7572, 34104), (8352, 30919), (8526, 30288), (8834, 29232), (9744, 26502), (10096, 25578), (11358, 22736), (11368, 22716), (12789, 20192), (13251, 19488), (14112, 18299), (14616, 17668), (15144, 17052)]