20161392720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{16691}}^1$

素因数の和:17433

約数の個数: 160

約数和(自身を含む): 71532564480

約数和(自身を除く): 51371171760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 719, 840, 1438, 1680, 2157, 2876, 3595, 4314, 5033, 5752, 7190, 8628, 10066, 10785, 11504, 14380, 15099, 16691, 17256, 20132, 21570, 25165, 28760, 30198, 33382, 34512, 40264, 43140, 50073, 50330, 57520, 60396, 66764, 75495, 80528, 83455, 86280, 100146, 100660, 116837, 120792, 133528, 150990, 166910, 172560, 200292, 201320, 233674, 241584, 250365, 267056, 301980, 333820, 350511, 400584, 402640, 467348, 500730, 584185, 603960, 667640, 701022, 801168, 934696, 1001460, 1168370, 1207920, 1335280, 1402044, 1752555, 1869392, 2002920, 2336740, 2804088, 3505110, 4005840, 4673480, 5608176, 7010220, 9346960, 12000829, 14020440, 24001658, 28040880, 36002487, 48003316, 60004145, 72004974, 84005803, 96006632, 120008290, 144009948, 168011606, 180012435, 192013264, 240016580, 252017409, 288019896, 336023212, 360024870, 420029015, 480033160, 504034818, 576039792, 672046424, 720049740, 840058030, 960066320, 1008069636, 1260087045, 1344092848, 1440099480, 1680116060, 2016139272, 2520174090, 2880198960, 3360232120, 4032278544, 5040348180, 6720464240, 10080696360, 20161392720]

約数ペア:

[(1, 20161392720), (2, 10080696360), (3, 6720464240), (4, 5040348180), (5, 4032278544), (6, 3360232120), (7, 2880198960), (8, 2520174090), (10, 2016139272), (12, 1680116060), (14, 1440099480), (15, 1344092848), (16, 1260087045), (20, 1008069636), (21, 960066320), (24, 840058030), (28, 720049740), (30, 672046424), (35, 576039792), (40, 504034818), (42, 480033160), (48, 420029015), (56, 360024870), (60, 336023212), (70, 288019896), (80, 252017409), (84, 240016580), (105, 192013264), (112, 180012435), (120, 168011606), (140, 144009948), (168, 120008290), (210, 96006632), (240, 84005803), (280, 72004974), (336, 60004145), (420, 48003316), (560, 36002487), (719, 28040880), (840, 24001658), (1438, 14020440), (1680, 12000829), (2157, 9346960), (2876, 7010220), (3595, 5608176), (4314, 4673480), (5033, 4005840), (5752, 3505110), (7190, 2804088), (8628, 2336740), (10066, 2002920), (10785, 1869392), (11504, 1752555), (14380, 1402044), (15099, 1335280), (16691, 1207920), (17256, 1168370), (20132, 1001460), (21570, 934696), (25165, 801168), (28760, 701022), (30198, 667640), (33382, 603960), (34512, 584185), (40264, 500730), (43140, 467348), (50073, 402640), (50330, 400584), (57520, 350511), (60396, 333820), (66764, 301980), (75495, 267056), (80528, 250365), (83455, 241584), (86280, 233674), (100146, 201320), (100660, 200292), (116837, 172560), (120792, 166910), (133528, 150990)]