20172972120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{4783}}^1\times {\mathrm{5021}}^1$

素因数の和:9825

約数の個数: 128

約数和(自身を含む): 69192714240

約数和(自身を除く): 49019742120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 4783, 5021, 9566, 10042, 14349, 15063, 19132, 20084, 23915, 25105, 28698, 30126, 33481, 35147, 38264, 40168, 47830, 50210, 57396, 60252, 66962, 70294, 71745, 75315, 95660, 100420, 100443, 105441, 114792, 120504, 133924, 140588, 143490, 150630, 167405, 175735, 191320, 200840, 200886, 210882, 267848, 281176, 286980, 301260, 334810, 351470, 401772, 421764, 502215, 527205, 573960, 602520, 669620, 702940, 803544, 843528, 1004430, 1054410, 1339240, 1405880, 2008860, 2108820, 4017720, 4217640, 24015443, 48030886, 72046329, 96061772, 120077215, 144092658, 168108101, 192123544, 240154430, 288185316, 336216202, 360231645, 480308860, 504324303, 576370632, 672432404, 720463290, 840540505, 960617720, 1008648606, 1344864808, 1440926580, 1681081010, 2017297212, 2521621515, 2881853160, 3362162020, 4034594424, 5043243030, 6724324040, 10086486060, 20172972120]

約数ペア:

[(1, 20172972120), (2, 10086486060), (3, 6724324040), (4, 5043243030), (5, 4034594424), (6, 3362162020), (7, 2881853160), (8, 2521621515), (10, 2017297212), (12, 1681081010), (14, 1440926580), (15, 1344864808), (20, 1008648606), (21, 960617720), (24, 840540505), (28, 720463290), (30, 672432404), (35, 576370632), (40, 504324303), (42, 480308860), (56, 360231645), (60, 336216202), (70, 288185316), (84, 240154430), (105, 192123544), (120, 168108101), (140, 144092658), (168, 120077215), (210, 96061772), (280, 72046329), (420, 48030886), (840, 24015443), (4783, 4217640), (5021, 4017720), (9566, 2108820), (10042, 2008860), (14349, 1405880), (15063, 1339240), (19132, 1054410), (20084, 1004430), (23915, 843528), (25105, 803544), (28698, 702940), (30126, 669620), (33481, 602520), (35147, 573960), (38264, 527205), (40168, 502215), (47830, 421764), (50210, 401772), (57396, 351470), (60252, 334810), (66962, 301260), (70294, 286980), (71745, 281176), (75315, 267848), (95660, 210882), (100420, 200886), (100443, 200840), (105441, 191320), (114792, 175735), (120504, 167405), (133924, 150630), (140588, 143490)]