648012456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 288

約数和(自身を含む): 2240784000

約数和(自身を除く): 1592771544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 71, 72, 78, 84, 91, 98, 104, 117, 126, 142, 147, 156, 168, 182, 196, 199, 213, 234, 252, 273, 284, 294, 312, 364, 392, 398, 426, 441, 468, 497, 504, 546, 568, 588, 597, 637, 639, 728, 796, 819, 852, 882, 923, 936, 994, 1092, 1176, 1194, 1274, 1278, 1393, 1491, 1592, 1638, 1704, 1764, 1791, 1846, 1911, 1988, 2184, 2388, 2548, 2556, 2587, 2769, 2786, 2982, 3276, 3479, 3528, 3582, 3692, 3822, 3976, 4179, 4473, 4776, 5096, 5112, 5174, 5538, 5572, 5733, 5964, 6461, 6552, 6958, 7164, 7384, 7644, 7761, 8307, 8358, 8946, 9751, 10348, 10437, 11076, 11144, 11466, 11928, 12537, 12922, 13916, 14129, 14328, 15288, 15522, 16614, 16716, 17892, 18109, 19383, 19502, 20696, 20874, 22152, 22932, 23283, 25074, 25844, 27832, 28258, 29253, 31044, 31311, 33228, 33432, 35784, 36218, 38766, 39004, 41748, 42387, 45227, 45864, 46566, 50148, 51688, 54327, 56516, 58149, 58506, 62088, 62622, 66456, 72436, 77532, 78008, 83496, 84774, 87759, 90454, 93132, 98903, 100296, 108654, 113032, 116298, 117012, 125244, 126763, 127161, 135681, 144872, 155064, 162981, 169548, 175518, 180908, 183677, 186264, 197806, 217308, 232596, 234024, 250488, 253526, 254322, 271362, 296709, 325962, 339096, 351036, 361816, 367354, 380289, 395612, 407043, 434616, 465192, 507052, 508644, 542724, 551031, 593418, 651924, 692321, 702072, 734708, 760578, 791224, 814086, 890127, 1014104, 1017288, 1085448, 1102062, 1140867, 1186836, 1285739, 1303848, 1384642, 1469416, 1521156, 1628172, 1653093, 1780254, 2076963, 2204124, 2281734, 2373672, 2571478, 2769284, 3042312, 3256344, 3306186, 3560508, 3857217, 4153926, 4408248, 4563468, 5142956, 5538568, 6230889, 6612372, 7121016, 7714434, 8307852, 9000173, 9126936, 10285912, 11571651, 12461778, 13224744, 15428868, 16615704, 18000346, 23143302, 24923556, 27000519, 30857736, 36000692, 46286604, 49847112, 54001038, 72001384, 81001557, 92573208, 108002076, 162003114, 216004152, 324006228, 648012456]

約数ペア:

[(1, 648012456), (2, 324006228), (3, 216004152), (4, 162003114), (6, 108002076), (7, 92573208), (8, 81001557), (9, 72001384), (12, 54001038), (13, 49847112), (14, 46286604), (18, 36000692), (21, 30857736), (24, 27000519), (26, 24923556), (28, 23143302), (36, 18000346), (39, 16615704), (42, 15428868), (49, 13224744), (52, 12461778), (56, 11571651), (63, 10285912), (71, 9126936), (72, 9000173), (78, 8307852), (84, 7714434), (91, 7121016), (98, 6612372), (104, 6230889), (117, 5538568), (126, 5142956), (142, 4563468), (147, 4408248), (156, 4153926), (168, 3857217), (182, 3560508), (196, 3306186), (199, 3256344), (213, 3042312), (234, 2769284), (252, 2571478), (273, 2373672), (284, 2281734), (294, 2204124), (312, 2076963), (364, 1780254), (392, 1653093), (398, 1628172), (426, 1521156), (441, 1469416), (468, 1384642), (497, 1303848), (504, 1285739), (546, 1186836), (568, 1140867), (588, 1102062), (597, 1085448), (637, 1017288), (639, 1014104), (728, 890127), (796, 814086), (819, 791224), (852, 760578), (882, 734708), (923, 702072), (936, 692321), (994, 651924), (1092, 593418), (1176, 551031), (1194, 542724), (1274, 508644), (1278, 507052), (1393, 465192), (1491, 434616), (1592, 407043), (1638, 395612), (1704, 380289), (1764, 367354), (1791, 361816), (1846, 351036), (1911, 339096), (1988, 325962), (2184, 296709), (2388, 271362), (2548, 254322), (2556, 253526), (2587, 250488), (2769, 234024), (2786, 232596), (2982, 217308), (3276, 197806), (3479, 186264), (3528, 183677), (3582, 180908), (3692, 175518), (3822, 169548), (3976, 162981), (4179, 155064), (4473, 144872), (4776, 135681), (5096, 127161), (5112, 126763), (5174, 125244), (5538, 117012), (5572, 116298), (5733, 113032), (5964, 108654), (6461, 100296), (6552, 98903), (6958, 93132), (7164, 90454), (7384, 87759), (7644, 84774), (7761, 83496), (8307, 78008), (8358, 77532), (8946, 72436), (9751, 66456), (10348, 62622), (10437, 62088), (11076, 58506), (11144, 58149), (11466, 56516), (11928, 54327), (12537, 51688), (12922, 50148), (13916, 46566), (14129, 45864), (14328, 45227), (15288, 42387), (15522, 41748), (16614, 39004), (16716, 38766), (17892, 36218), (18109, 35784), (19383, 33432), (19502, 33228), (20696, 31311), (20874, 31044), (22152, 29253), (22932, 28258), (23283, 27832), (25074, 25844)]