1268516640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20809}}^1$

素因数の和:20954

約数の個数: 96

約数和(自身を含む): 4027484160

約数和(自身を除く): 2758967520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 381, 480, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 4064, 5080, 6096, 7620, 10160, 12192, 15240, 20320, 20809, 30480, 41618, 60960, 62427, 83236, 104045, 124854, 166472, 208090, 249708, 312135, 332944, 416180, 499416, 624270, 665888, 832360, 998832, 1248540, 1664720, 1997664, 2497080, 2642743, 3329440, 4994160, 5285486, 7928229, 9988320, 10570972, 13213715, 15856458, 21141944, 26427430, 31712916, 39641145, 42283888, 52854860, 63425832, 79282290, 84567776, 105709720, 126851664, 158564580, 211419440, 253703328, 317129160, 422838880, 634258320, 1268516640]

約数ペア:

[(1, 1268516640), (2, 634258320), (3, 422838880), (4, 317129160), (5, 253703328), (6, 211419440), (8, 158564580), (10, 126851664), (12, 105709720), (15, 84567776), (16, 79282290), (20, 63425832), (24, 52854860), (30, 42283888), (32, 39641145), (40, 31712916), (48, 26427430), (60, 21141944), (80, 15856458), (96, 13213715), (120, 10570972), (127, 9988320), (160, 7928229), (240, 5285486), (254, 4994160), (381, 3329440), (480, 2642743), (508, 2497080), (635, 1997664), (762, 1664720), (1016, 1248540), (1270, 998832), (1524, 832360), (1905, 665888), (2032, 624270), (2540, 499416), (3048, 416180), (3810, 332944), (4064, 312135), (5080, 249708), (6096, 208090), (7620, 166472), (10160, 124854), (12192, 104045), (15240, 83236), (20320, 62427), (20809, 60960), (30480, 41618)]