28716480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 252

約数和(自身を含む): 108767880

約数和(自身を除く): 80051400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 59, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 118, 120, 130, 144, 156, 160, 169, 177, 180, 192, 195, 208, 234, 236, 240, 260, 288, 295, 312, 320, 338, 354, 360, 390, 416, 468, 472, 480, 507, 520, 531, 576, 585, 590, 624, 676, 708, 720, 767, 780, 832, 845, 885, 936, 944, 960, 1014, 1040, 1062, 1170, 1180, 1248, 1352, 1416, 1440, 1521, 1534, 1560, 1690, 1770, 1872, 1888, 2028, 2080, 2124, 2301, 2340, 2360, 2496, 2535, 2655, 2704, 2832, 2880, 3042, 3068, 3120, 3380, 3540, 3744, 3776, 3835, 4056, 4160, 4248, 4602, 4680, 4720, 5070, 5310, 5408, 5664, 6084, 6136, 6240, 6760, 6903, 7080, 7488, 7605, 7670, 8112, 8496, 9204, 9360, 9440, 9971, 10140, 10620, 10816, 11328, 11505, 12168, 12272, 12480, 13520, 13806, 14160, 15210, 15340, 16224, 16992, 18408, 18720, 18880, 19942, 20280, 21240, 23010, 24336, 24544, 27040, 27612, 28320, 29913, 30420, 30680, 32448, 33984, 34515, 36816, 37440, 39884, 40560, 42480, 46020, 48672, 49088, 49855, 54080, 55224, 56640, 59826, 60840, 61360, 69030, 73632, 79768, 81120, 84960, 89739, 92040, 97344, 99710, 110448, 119652, 121680, 122720, 138060, 147264, 149565, 159536, 162240, 169920, 179478, 184080, 199420, 220896, 239304, 243360, 245440, 276120, 299130, 319072, 358956, 368160, 398840, 441792, 448695, 478608, 486720, 552240, 598260, 638144, 717912, 736320, 797680, 897390, 957216, 1104480, 1196520, 1435824, 1595360, 1794780, 1914432, 2208960, 2393040, 2871648, 3190720, 3589560, 4786080, 5743296, 7179120, 9572160, 14358240, 28716480]

約数ペア:

[(1, 28716480), (2, 14358240), (3, 9572160), (4, 7179120), (5, 5743296), (6, 4786080), (8, 3589560), (9, 3190720), (10, 2871648), (12, 2393040), (13, 2208960), (15, 1914432), (16, 1794780), (18, 1595360), (20, 1435824), (24, 1196520), (26, 1104480), (30, 957216), (32, 897390), (36, 797680), (39, 736320), (40, 717912), (45, 638144), (48, 598260), (52, 552240), (59, 486720), (60, 478608), (64, 448695), (65, 441792), (72, 398840), (78, 368160), (80, 358956), (90, 319072), (96, 299130), (104, 276120), (117, 245440), (118, 243360), (120, 239304), (130, 220896), (144, 199420), (156, 184080), (160, 179478), (169, 169920), (177, 162240), (180, 159536), (192, 149565), (195, 147264), (208, 138060), (234, 122720), (236, 121680), (240, 119652), (260, 110448), (288, 99710), (295, 97344), (312, 92040), (320, 89739), (338, 84960), (354, 81120), (360, 79768), (390, 73632), (416, 69030), (468, 61360), (472, 60840), (480, 59826), (507, 56640), (520, 55224), (531, 54080), (576, 49855), (585, 49088), (590, 48672), (624, 46020), (676, 42480), (708, 40560), (720, 39884), (767, 37440), (780, 36816), (832, 34515), (845, 33984), (885, 32448), (936, 30680), (944, 30420), (960, 29913), (1014, 28320), (1040, 27612), (1062, 27040), (1170, 24544), (1180, 24336), (1248, 23010), (1352, 21240), (1416, 20280), (1440, 19942), (1521, 18880), (1534, 18720), (1560, 18408), (1690, 16992), (1770, 16224), (1872, 15340), (1888, 15210), (2028, 14160), (2080, 13806), (2124, 13520), (2301, 12480), (2340, 12272), (2360, 12168), (2496, 11505), (2535, 11328), (2655, 10816), (2704, 10620), (2832, 10140), (2880, 9971), (3042, 9440), (3068, 9360), (3120, 9204), (3380, 8496), (3540, 8112), (3744, 7670), (3776, 7605), (3835, 7488), (4056, 7080), (4160, 6903), (4248, 6760), (4602, 6240), (4680, 6136), (4720, 6084), (5070, 5664), (5310, 5408)]