19882964280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1\times {\mathrm{1231}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 60034867200

約数和(自身を除く): 40151902920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 479, 562, 843, 958, 1124, 1231, 1405, 1437, 1686, 1916, 2248, 2395, 2462, 2810, 2874, 3372, 3693, 3832, 4215, 4790, 4924, 5620, 5748, 6155, 6744, 7185, 7386, 8430, 9580, 9848, 11240, 11496, 12310, 14370, 14772, 16860, 18465, 19160, 24620, 28740, 29544, 33720, 36930, 49240, 57480, 73860, 134599, 147720, 269198, 345911, 403797, 538396, 589649, 672995, 691822, 807594, 1037733, 1076792, 1179298, 1345990, 1383644, 1615188, 1729555, 1768947, 2018985, 2075466, 2358596, 2691980, 2767288, 2948245, 3230376, 3459110, 3537894, 4037970, 4150932, 4717192, 5188665, 5383960, 5896490, 6918220, 7075788, 8075940, 8301864, 8844735, 10377330, 11792980, 13836440, 14151576, 16151880, 17689470, 20754660, 23585960, 35378940, 41509320, 70757880, 165691369, 331382738, 497074107, 662765476, 828456845, 994148214, 1325530952, 1656913690, 1988296428, 2485370535, 3313827380, 3976592856, 4970741070, 6627654760, 9941482140, 19882964280]

約数ペア:

[(1, 19882964280), (2, 9941482140), (3, 6627654760), (4, 4970741070), (5, 3976592856), (6, 3313827380), (8, 2485370535), (10, 1988296428), (12, 1656913690), (15, 1325530952), (20, 994148214), (24, 828456845), (30, 662765476), (40, 497074107), (60, 331382738), (120, 165691369), (281, 70757880), (479, 41509320), (562, 35378940), (843, 23585960), (958, 20754660), (1124, 17689470), (1231, 16151880), (1405, 14151576), (1437, 13836440), (1686, 11792980), (1916, 10377330), (2248, 8844735), (2395, 8301864), (2462, 8075940), (2810, 7075788), (2874, 6918220), (3372, 5896490), (3693, 5383960), (3832, 5188665), (4215, 4717192), (4790, 4150932), (4924, 4037970), (5620, 3537894), (5748, 3459110), (6155, 3230376), (6744, 2948245), (7185, 2767288), (7386, 2691980), (8430, 2358596), (9580, 2075466), (9848, 2018985), (11240, 1768947), (11496, 1729555), (12310, 1615188), (14370, 1383644), (14772, 1345990), (16860, 1179298), (18465, 1076792), (19160, 1037733), (24620, 807594), (28740, 691822), (29544, 672995), (33720, 589649), (36930, 538396), (49240, 403797), (57480, 345911), (73860, 269198), (134599, 147720)]