56151540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 182407680

約数和(自身を除く): 126256140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 347, 348, 372, 435, 465, 522, 558, 580, 620, 694, 870, 899, 930, 1041, 1044, 1116, 1305, 1388, 1395, 1735, 1740, 1798, 1860, 2082, 2610, 2697, 2790, 3123, 3470, 3596, 4164, 4495, 5205, 5220, 5394, 5580, 6246, 6940, 8091, 8990, 10063, 10410, 10757, 10788, 12492, 13485, 15615, 16182, 17980, 20126, 20820, 21514, 26970, 30189, 31230, 32271, 32364, 40252, 40455, 43028, 50315, 53785, 53940, 60378, 62460, 64542, 80910, 90567, 96813, 100630, 107570, 120756, 129084, 150945, 161355, 161820, 181134, 193626, 201260, 215140, 301890, 311953, 322710, 362268, 387252, 452835, 484065, 603780, 623906, 645420, 905670, 935859, 968130, 1247812, 1559765, 1811340, 1871718, 1936260, 2807577, 3119530, 3743436, 4679295, 5615154, 6239060, 9358590, 11230308, 14037885, 18717180, 28075770, 56151540]

約数ペア:

[(1, 56151540), (2, 28075770), (3, 18717180), (4, 14037885), (5, 11230308), (6, 9358590), (9, 6239060), (10, 5615154), (12, 4679295), (15, 3743436), (18, 3119530), (20, 2807577), (29, 1936260), (30, 1871718), (31, 1811340), (36, 1559765), (45, 1247812), (58, 968130), (60, 935859), (62, 905670), (87, 645420), (90, 623906), (93, 603780), (116, 484065), (124, 452835), (145, 387252), (155, 362268), (174, 322710), (180, 311953), (186, 301890), (261, 215140), (279, 201260), (290, 193626), (310, 181134), (347, 161820), (348, 161355), (372, 150945), (435, 129084), (465, 120756), (522, 107570), (558, 100630), (580, 96813), (620, 90567), (694, 80910), (870, 64542), (899, 62460), (930, 60378), (1041, 53940), (1044, 53785), (1116, 50315), (1305, 43028), (1388, 40455), (1395, 40252), (1735, 32364), (1740, 32271), (1798, 31230), (1860, 30189), (2082, 26970), (2610, 21514), (2697, 20820), (2790, 20126), (3123, 17980), (3470, 16182), (3596, 15615), (4164, 13485), (4495, 12492), (5205, 10788), (5220, 10757), (5394, 10410), (5580, 10063), (6246, 8990), (6940, 8091)]