15666917120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{2063}}^1$

素因数の和:2450

約数の個数: 144

約数和(自身を含む): 39867811200

約数和(自身を除く): 24200894080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 349, 544, 640, 680, 698, 1088, 1280, 1360, 1396, 1745, 2063, 2176, 2720, 2792, 3490, 4126, 4352, 5440, 5584, 5933, 6980, 8252, 10315, 10880, 11168, 11866, 13960, 16504, 20630, 21760, 22336, 23732, 27920, 29665, 33008, 35071, 41260, 44672, 47464, 55840, 59330, 66016, 70142, 82520, 89344, 94928, 111680, 118660, 132032, 140284, 165040, 175355, 189856, 223360, 237320, 264064, 280568, 330080, 350710, 379712, 446720, 474640, 528128, 561136, 660160, 701420, 719987, 759424, 949280, 1122272, 1320320, 1402840, 1439974, 1518848, 1898560, 2244544, 2640640, 2805680, 2879948, 3599935, 3797120, 4489088, 5611360, 5759896, 7199870, 7594240, 8978176, 11222720, 11519792, 12239779, 14399740, 22445440, 23039584, 24479558, 28799480, 44890880, 46079168, 48959116, 57598960, 61198895, 92158336, 97918232, 115197920, 122397790, 184316672, 195836464, 230395840, 244795580, 391672928, 460791680, 489591160, 783345856, 921583360, 979182320, 1566691712, 1958364640, 3133383424, 3916729280, 7833458560, 15666917120]

約数ペア:

[(1, 15666917120), (2, 7833458560), (4, 3916729280), (5, 3133383424), (8, 1958364640), (10, 1566691712), (16, 979182320), (17, 921583360), (20, 783345856), (32, 489591160), (34, 460791680), (40, 391672928), (64, 244795580), (68, 230395840), (80, 195836464), (85, 184316672), (128, 122397790), (136, 115197920), (160, 97918232), (170, 92158336), (256, 61198895), (272, 57598960), (320, 48959116), (340, 46079168), (349, 44890880), (544, 28799480), (640, 24479558), (680, 23039584), (698, 22445440), (1088, 14399740), (1280, 12239779), (1360, 11519792), (1396, 11222720), (1745, 8978176), (2063, 7594240), (2176, 7199870), (2720, 5759896), (2792, 5611360), (3490, 4489088), (4126, 3797120), (4352, 3599935), (5440, 2879948), (5584, 2805680), (5933, 2640640), (6980, 2244544), (8252, 1898560), (10315, 1518848), (10880, 1439974), (11168, 1402840), (11866, 1320320), (13960, 1122272), (16504, 949280), (20630, 759424), (21760, 719987), (22336, 701420), (23732, 660160), (27920, 561136), (29665, 528128), (33008, 474640), (35071, 446720), (41260, 379712), (44672, 350710), (47464, 330080), (55840, 280568), (59330, 264064), (66016, 237320), (70142, 223360), (82520, 189856), (89344, 175355), (94928, 165040), (111680, 140284), (118660, 132032)]