2178678264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{859}}^1$

素因数の和:1393

約数の個数: 128

約数和(自身を含む): 6446284800

約数和(自身を除く): 4267606536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 487, 651, 744, 859, 868, 974, 1302, 1461, 1718, 1736, 1948, 2577, 2604, 2922, 3409, 3436, 3896, 5154, 5208, 5844, 6013, 6818, 6872, 10227, 10308, 11688, 12026, 13636, 15097, 18039, 20454, 20616, 24052, 26629, 27272, 30194, 36078, 40908, 45291, 48104, 53258, 60388, 72156, 79887, 81816, 90582, 105679, 106516, 120776, 144312, 159774, 181164, 186403, 211358, 213032, 317037, 319548, 362328, 372806, 418333, 422716, 559209, 634074, 639096, 745612, 836666, 845432, 1118418, 1254999, 1268148, 1491224, 1673332, 2236836, 2509998, 2536296, 2928331, 3346664, 4473672, 5019996, 5856662, 8784993, 10039992, 11713324, 12968323, 17569986, 23426648, 25936646, 35139972, 38904969, 51873292, 70279944, 77809938, 90778261, 103746584, 155619876, 181556522, 272334783, 311239752, 363113044, 544669566, 726226088, 1089339132, 2178678264]

約数ペア:

[(1, 2178678264), (2, 1089339132), (3, 726226088), (4, 544669566), (6, 363113044), (7, 311239752), (8, 272334783), (12, 181556522), (14, 155619876), (21, 103746584), (24, 90778261), (28, 77809938), (31, 70279944), (42, 51873292), (56, 38904969), (62, 35139972), (84, 25936646), (93, 23426648), (124, 17569986), (168, 12968323), (186, 11713324), (217, 10039992), (248, 8784993), (372, 5856662), (434, 5019996), (487, 4473672), (651, 3346664), (744, 2928331), (859, 2536296), (868, 2509998), (974, 2236836), (1302, 1673332), (1461, 1491224), (1718, 1268148), (1736, 1254999), (1948, 1118418), (2577, 845432), (2604, 836666), (2922, 745612), (3409, 639096), (3436, 634074), (3896, 559209), (5154, 422716), (5208, 418333), (5844, 372806), (6013, 362328), (6818, 319548), (6872, 317037), (10227, 213032), (10308, 211358), (11688, 186403), (12026, 181164), (13636, 159774), (15097, 144312), (18039, 120776), (20454, 106516), (20616, 105679), (24052, 90582), (26629, 81816), (27272, 79887), (30194, 72156), (36078, 60388), (40908, 53258), (45291, 48104)]