257678928

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2699}}^1$

素因数の和:2746

約数の個数: 160

約数和(自身を含む): 843696000

約数和(自身を除く): 586017072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 102, 104, 108, 117, 136, 144, 153, 156, 204, 208, 216, 221, 234, 272, 306, 312, 351, 408, 432, 442, 459, 468, 612, 624, 663, 702, 816, 884, 918, 936, 1224, 1326, 1404, 1768, 1836, 1872, 1989, 2448, 2652, 2699, 2808, 3536, 3672, 3978, 5304, 5398, 5616, 5967, 7344, 7956, 8097, 10608, 10796, 11934, 15912, 16194, 21592, 23868, 24291, 31824, 32388, 35087, 43184, 45883, 47736, 48582, 64776, 70174, 72873, 91766, 95472, 97164, 105261, 129552, 137649, 140348, 145746, 183532, 194328, 210522, 275298, 280696, 291492, 315783, 367064, 388656, 412947, 421044, 550596, 561392, 582984, 596479, 631566, 734128, 825894, 842088, 947349, 1101192, 1165968, 1192958, 1238841, 1263132, 1651788, 1684176, 1789437, 1894698, 2202384, 2385916, 2477682, 2526264, 3303576, 3578874, 3789396, 4771832, 4955364, 5052528, 5368311, 6607152, 7157748, 7578792, 9543664, 9910728, 10736622, 14315496, 15157584, 16104933, 19821456, 21473244, 28630992, 32209866, 42946488, 64419732, 85892976, 128839464, 257678928]

約数ペア:

[(1, 257678928), (2, 128839464), (3, 85892976), (4, 64419732), (6, 42946488), (8, 32209866), (9, 28630992), (12, 21473244), (13, 19821456), (16, 16104933), (17, 15157584), (18, 14315496), (24, 10736622), (26, 9910728), (27, 9543664), (34, 7578792), (36, 7157748), (39, 6607152), (48, 5368311), (51, 5052528), (52, 4955364), (54, 4771832), (68, 3789396), (72, 3578874), (78, 3303576), (102, 2526264), (104, 2477682), (108, 2385916), (117, 2202384), (136, 1894698), (144, 1789437), (153, 1684176), (156, 1651788), (204, 1263132), (208, 1238841), (216, 1192958), (221, 1165968), (234, 1101192), (272, 947349), (306, 842088), (312, 825894), (351, 734128), (408, 631566), (432, 596479), (442, 582984), (459, 561392), (468, 550596), (612, 421044), (624, 412947), (663, 388656), (702, 367064), (816, 315783), (884, 291492), (918, 280696), (936, 275298), (1224, 210522), (1326, 194328), (1404, 183532), (1768, 145746), (1836, 140348), (1872, 137649), (1989, 129552), (2448, 105261), (2652, 97164), (2699, 95472), (2808, 91766), (3536, 72873), (3672, 70174), (3978, 64776), (5304, 48582), (5398, 47736), (5616, 45883), (5967, 43184), (7344, 35087), (7956, 32388), (8097, 31824), (10608, 24291), (10796, 23868), (11934, 21592), (15912, 16194)]