123478992

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 442332800

約数和(自身を除く): 318853808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 234, 243, 252, 273, 312, 324, 336, 349, 351, 364, 378, 432, 468, 486, 504, 546, 567, 624, 648, 698, 702, 728, 756, 819, 936, 972, 1008, 1047, 1053, 1092, 1134, 1296, 1396, 1404, 1456, 1512, 1638, 1701, 1872, 1944, 2094, 2106, 2184, 2268, 2443, 2457, 2792, 2808, 3024, 3141, 3159, 3276, 3402, 3888, 4188, 4212, 4368, 4536, 4537, 4886, 4914, 5584, 5616, 6282, 6318, 6552, 6804, 7329, 7371, 8376, 8424, 9072, 9074, 9423, 9772, 9828, 12564, 12636, 13104, 13608, 13611, 14658, 14742, 16752, 16848, 18148, 18846, 19544, 19656, 21987, 22113, 25128, 25272, 27216, 27222, 28269, 29316, 29484, 31759, 36296, 37692, 39088, 39312, 40833, 43974, 44226, 50256, 50544, 54444, 56538, 58632, 58968, 63518, 65961, 72592, 75384, 81666, 84807, 87948, 88452, 95277, 108888, 113076, 117264, 117936, 122499, 127036, 131922, 150768, 163332, 169614, 175896, 176904, 190554, 197883, 217776, 226152, 244998, 254072, 263844, 285831, 326664, 339228, 351792, 353808, 367497, 381108, 395766, 452304, 489996, 508144, 527688, 571662, 593649, 653328, 678456, 734994, 762216, 791532, 857493, 979992, 1055376, 1102491, 1143324, 1187298, 1356912, 1469988, 1524432, 1583064, 1714986, 1959984, 2204982, 2286648, 2374596, 2572479, 2939976, 3166128, 3429972, 4409964, 4573296, 4749192, 5144958, 5879952, 6859944, 7717437, 8819928, 9498384, 10289916, 13719888, 15434874, 17639856, 20579832, 30869748, 41159664, 61739496, 123478992]

約数ペア:

[(1, 123478992), (2, 61739496), (3, 41159664), (4, 30869748), (6, 20579832), (7, 17639856), (8, 15434874), (9, 13719888), (12, 10289916), (13, 9498384), (14, 8819928), (16, 7717437), (18, 6859944), (21, 5879952), (24, 5144958), (26, 4749192), (27, 4573296), (28, 4409964), (36, 3429972), (39, 3166128), (42, 2939976), (48, 2572479), (52, 2374596), (54, 2286648), (56, 2204982), (63, 1959984), (72, 1714986), (78, 1583064), (81, 1524432), (84, 1469988), (91, 1356912), (104, 1187298), (108, 1143324), (112, 1102491), (117, 1055376), (126, 979992), (144, 857493), (156, 791532), (162, 762216), (168, 734994), (182, 678456), (189, 653328), (208, 593649), (216, 571662), (234, 527688), (243, 508144), (252, 489996), (273, 452304), (312, 395766), (324, 381108), (336, 367497), (349, 353808), (351, 351792), (364, 339228), (378, 326664), (432, 285831), (468, 263844), (486, 254072), (504, 244998), (546, 226152), (567, 217776), (624, 197883), (648, 190554), (698, 176904), (702, 175896), (728, 169614), (756, 163332), (819, 150768), (936, 131922), (972, 127036), (1008, 122499), (1047, 117936), (1053, 117264), (1092, 113076), (1134, 108888), (1296, 95277), (1396, 88452), (1404, 87948), (1456, 84807), (1512, 81666), (1638, 75384), (1701, 72592), (1872, 65961), (1944, 63518), (2094, 58968), (2106, 58632), (2184, 56538), (2268, 54444), (2443, 50544), (2457, 50256), (2792, 44226), (2808, 43974), (3024, 40833), (3141, 39312), (3159, 39088), (3276, 37692), (3402, 36296), (3888, 31759), (4188, 29484), (4212, 29316), (4368, 28269), (4536, 27222), (4537, 27216), (4886, 25272), (4914, 25128), (5584, 22113), (5616, 21987), (6282, 19656), (6318, 19544), (6552, 18846), (6804, 18148), (7329, 16848), (7371, 16752), (8376, 14742), (8424, 14658), (9072, 13611), (9074, 13608), (9423, 13104), (9772, 12636), (9828, 12564)]