80021520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 200

約数和(自身を含む): 284385816

約数和(自身を除く): 204364296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 81, 90, 106, 108, 120, 135, 144, 159, 162, 180, 212, 216, 233, 240, 265, 270, 318, 324, 360, 405, 424, 432, 466, 477, 530, 540, 636, 648, 699, 720, 795, 810, 848, 932, 954, 1060, 1080, 1165, 1272, 1296, 1398, 1431, 1590, 1620, 1864, 1908, 2097, 2120, 2160, 2330, 2385, 2544, 2796, 2862, 3180, 3240, 3495, 3728, 3816, 4194, 4240, 4293, 4660, 4770, 5592, 5724, 6291, 6360, 6480, 6990, 7155, 7632, 8388, 8586, 9320, 9540, 10485, 11184, 11448, 12349, 12582, 12720, 13980, 14310, 16776, 17172, 18640, 18873, 19080, 20970, 21465, 22896, 24698, 25164, 27960, 28620, 31455, 33552, 34344, 37047, 37746, 38160, 41940, 42930, 49396, 50328, 55920, 57240, 61745, 62910, 68688, 74094, 75492, 83880, 85860, 94365, 98792, 100656, 111141, 114480, 123490, 125820, 148188, 150984, 167760, 171720, 185235, 188730, 197584, 222282, 246980, 251640, 296376, 301968, 333423, 343440, 370470, 377460, 444564, 493960, 503280, 555705, 592752, 666846, 740940, 754920, 889128, 987920, 1000269, 1111410, 1333692, 1481880, 1509840, 1667115, 1778256, 2000538, 2222820, 2667384, 2963760, 3334230, 4001076, 4445640, 5001345, 5334768, 6668460, 8002152, 8891280, 10002690, 13336920, 16004304, 20005380, 26673840, 40010760, 80021520]

約数ペア:

[(1, 80021520), (2, 40010760), (3, 26673840), (4, 20005380), (5, 16004304), (6, 13336920), (8, 10002690), (9, 8891280), (10, 8002152), (12, 6668460), (15, 5334768), (16, 5001345), (18, 4445640), (20, 4001076), (24, 3334230), (27, 2963760), (30, 2667384), (36, 2222820), (40, 2000538), (45, 1778256), (48, 1667115), (53, 1509840), (54, 1481880), (60, 1333692), (72, 1111410), (80, 1000269), (81, 987920), (90, 889128), (106, 754920), (108, 740940), (120, 666846), (135, 592752), (144, 555705), (159, 503280), (162, 493960), (180, 444564), (212, 377460), (216, 370470), (233, 343440), (240, 333423), (265, 301968), (270, 296376), (318, 251640), (324, 246980), (360, 222282), (405, 197584), (424, 188730), (432, 185235), (466, 171720), (477, 167760), (530, 150984), (540, 148188), (636, 125820), (648, 123490), (699, 114480), (720, 111141), (795, 100656), (810, 98792), (848, 94365), (932, 85860), (954, 83880), (1060, 75492), (1080, 74094), (1165, 68688), (1272, 62910), (1296, 61745), (1398, 57240), (1431, 55920), (1590, 50328), (1620, 49396), (1864, 42930), (1908, 41940), (2097, 38160), (2120, 37746), (2160, 37047), (2330, 34344), (2385, 33552), (2544, 31455), (2796, 28620), (2862, 27960), (3180, 25164), (3240, 24698), (3495, 22896), (3728, 21465), (3816, 20970), (4194, 19080), (4240, 18873), (4293, 18640), (4660, 17172), (4770, 16776), (5592, 14310), (5724, 13980), (6291, 12720), (6360, 12582), (6480, 12349), (6990, 11448), (7155, 11184), (7632, 10485), (8388, 9540), (8586, 9320)]