261816480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1743

約数の個数: 144

約数和(自身を含む): 901915560

約数和(自身を除く): 640099080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 113, 120, 144, 160, 180, 226, 240, 288, 339, 360, 452, 480, 565, 678, 720, 904, 1017, 1130, 1356, 1440, 1609, 1695, 1808, 2034, 2260, 2712, 3218, 3390, 3616, 4068, 4520, 4827, 5085, 5424, 6436, 6780, 8045, 8136, 9040, 9654, 10170, 10848, 12872, 13560, 14481, 16090, 16272, 18080, 19308, 20340, 24135, 25744, 27120, 28962, 32180, 32544, 38616, 40680, 48270, 51488, 54240, 57924, 64360, 72405, 77232, 81360, 96540, 115848, 128720, 144810, 154464, 162720, 181817, 193080, 231696, 257440, 289620, 363634, 386160, 463392, 545451, 579240, 727268, 772320, 909085, 1090902, 1158480, 1454536, 1636353, 1818170, 2181804, 2316960, 2727255, 2909072, 3272706, 3636340, 4363608, 5454510, 5818144, 6545412, 7272680, 8181765, 8727216, 10909020, 13090824, 14545360, 16363530, 17454432, 21818040, 26181648, 29090720, 32727060, 43636080, 52363296, 65454120, 87272160, 130908240, 261816480]

約数ペア:

[(1, 261816480), (2, 130908240), (3, 87272160), (4, 65454120), (5, 52363296), (6, 43636080), (8, 32727060), (9, 29090720), (10, 26181648), (12, 21818040), (15, 17454432), (16, 16363530), (18, 14545360), (20, 13090824), (24, 10909020), (30, 8727216), (32, 8181765), (36, 7272680), (40, 6545412), (45, 5818144), (48, 5454510), (60, 4363608), (72, 3636340), (80, 3272706), (90, 2909072), (96, 2727255), (113, 2316960), (120, 2181804), (144, 1818170), (160, 1636353), (180, 1454536), (226, 1158480), (240, 1090902), (288, 909085), (339, 772320), (360, 727268), (452, 579240), (480, 545451), (565, 463392), (678, 386160), (720, 363634), (904, 289620), (1017, 257440), (1130, 231696), (1356, 193080), (1440, 181817), (1609, 162720), (1695, 154464), (1808, 144810), (2034, 128720), (2260, 115848), (2712, 96540), (3218, 81360), (3390, 77232), (3616, 72405), (4068, 64360), (4520, 57924), (4827, 54240), (5085, 51488), (5424, 48270), (6436, 40680), (6780, 38616), (8045, 32544), (8136, 32180), (9040, 28962), (9654, 27120), (10170, 25744), (10848, 24135), (12872, 20340), (13560, 19308), (14481, 18080), (16090, 16272)]