620731488

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 1803196080

約数和(自身を除く): 1182464592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 78, 86, 96, 104, 129, 156, 172, 208, 258, 269, 312, 344, 416, 516, 538, 559, 624, 688, 807, 1032, 1076, 1118, 1248, 1376, 1614, 1677, 1849, 2064, 2152, 2236, 3228, 3354, 3497, 3698, 4128, 4304, 4472, 5547, 6456, 6708, 6994, 7396, 8608, 8944, 10491, 11094, 11567, 12912, 13416, 13988, 14792, 17888, 20982, 22188, 23134, 24037, 25824, 26832, 27976, 29584, 34701, 41964, 44376, 46268, 48074, 53664, 55952, 59168, 69402, 72111, 83928, 88752, 92536, 96148, 111904, 138804, 144222, 150371, 167856, 177504, 185072, 192296, 277608, 288444, 300742, 335712, 370144, 384592, 451113, 497381, 555216, 576888, 601484, 769184, 902226, 994762, 1110432, 1153776, 1202968, 1492143, 1804452, 1989524, 2307552, 2405936, 2984286, 3608904, 3979048, 4811872, 5968572, 6465953, 7217808, 7958096, 11937144, 12931906, 14435616, 15916192, 19397859, 23874288, 25863812, 38795718, 47748576, 51727624, 77591436, 103455248, 155182872, 206910496, 310365744, 620731488]

約数ペア:

[(1, 620731488), (2, 310365744), (3, 206910496), (4, 155182872), (6, 103455248), (8, 77591436), (12, 51727624), (13, 47748576), (16, 38795718), (24, 25863812), (26, 23874288), (32, 19397859), (39, 15916192), (43, 14435616), (48, 12931906), (52, 11937144), (78, 7958096), (86, 7217808), (96, 6465953), (104, 5968572), (129, 4811872), (156, 3979048), (172, 3608904), (208, 2984286), (258, 2405936), (269, 2307552), (312, 1989524), (344, 1804452), (416, 1492143), (516, 1202968), (538, 1153776), (559, 1110432), (624, 994762), (688, 902226), (807, 769184), (1032, 601484), (1076, 576888), (1118, 555216), (1248, 497381), (1376, 451113), (1614, 384592), (1677, 370144), (1849, 335712), (2064, 300742), (2152, 288444), (2236, 277608), (3228, 192296), (3354, 185072), (3497, 177504), (3698, 167856), (4128, 150371), (4304, 144222), (4472, 138804), (5547, 111904), (6456, 96148), (6708, 92536), (6994, 88752), (7396, 83928), (8608, 72111), (8944, 69402), (10491, 59168), (11094, 55952), (11567, 53664), (12912, 48074), (13416, 46268), (13988, 44376), (14792, 41964), (17888, 34701), (20982, 29584), (22188, 27976), (23134, 26832), (24037, 25824)]