201655680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{827}}^1$

素因数の和:976

約数の個数: 128

約数和(自身を含む): 648622080

約数和(自身を除く): 446966400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 827, 960, 1016, 1270, 1524, 1654, 1905, 1920, 2032, 2481, 2540, 3048, 3308, 3810, 4064, 4135, 4962, 5080, 6096, 6616, 7620, 8128, 8270, 9924, 10160, 12192, 12405, 13232, 15240, 16256, 16540, 19848, 20320, 24384, 24810, 26464, 30480, 33080, 39696, 40640, 48768, 49620, 52928, 60960, 66160, 79392, 81280, 99240, 105029, 105856, 121920, 132320, 158784, 198480, 210058, 243840, 264640, 315087, 317568, 396960, 420116, 525145, 529280, 630174, 793920, 840232, 1050290, 1260348, 1575435, 1587840, 1680464, 2100580, 2520696, 3150870, 3360928, 4201160, 5041392, 6301740, 6721856, 8402320, 10082784, 12603480, 13443712, 16804640, 20165568, 25206960, 33609280, 40331136, 50413920, 67218560, 100827840, 201655680]

約数ペア:

[(1, 201655680), (2, 100827840), (3, 67218560), (4, 50413920), (5, 40331136), (6, 33609280), (8, 25206960), (10, 20165568), (12, 16804640), (15, 13443712), (16, 12603480), (20, 10082784), (24, 8402320), (30, 6721856), (32, 6301740), (40, 5041392), (48, 4201160), (60, 3360928), (64, 3150870), (80, 2520696), (96, 2100580), (120, 1680464), (127, 1587840), (128, 1575435), (160, 1260348), (192, 1050290), (240, 840232), (254, 793920), (320, 630174), (381, 529280), (384, 525145), (480, 420116), (508, 396960), (635, 317568), (640, 315087), (762, 264640), (827, 243840), (960, 210058), (1016, 198480), (1270, 158784), (1524, 132320), (1654, 121920), (1905, 105856), (1920, 105029), (2032, 99240), (2481, 81280), (2540, 79392), (3048, 66160), (3308, 60960), (3810, 52928), (4064, 49620), (4135, 48768), (4962, 40640), (5080, 39696), (6096, 33080), (6616, 30480), (7620, 26464), (8128, 24810), (8270, 24384), (9924, 20320), (10160, 19848), (12192, 16540), (12405, 16256), (13232, 15240)]