28369440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 240

約数和(自身を含む): 109771200

約数和(自身を除く): 81401760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 199, 216, 220, 240, 264, 270, 288, 297, 324, 330, 352, 360, 396, 398, 405, 432, 440, 480, 495, 528, 540, 594, 597, 648, 660, 720, 792, 796, 810, 864, 880, 891, 990, 995, 1056, 1080, 1188, 1194, 1296, 1320, 1440, 1485, 1584, 1592, 1620, 1760, 1782, 1791, 1980, 1990, 2160, 2189, 2376, 2388, 2592, 2640, 2970, 2985, 3168, 3184, 3240, 3564, 3582, 3960, 3980, 4320, 4378, 4455, 4752, 4776, 5280, 5373, 5940, 5970, 6368, 6480, 6567, 7128, 7164, 7920, 7960, 8756, 8910, 8955, 9504, 9552, 10746, 10945, 11880, 11940, 12960, 13134, 14256, 14328, 15840, 15920, 16119, 17512, 17820, 17910, 19104, 19701, 21492, 21890, 23760, 23880, 26268, 26865, 28512, 28656, 31840, 32238, 32835, 35024, 35640, 35820, 39402, 42984, 43780, 47520, 47760, 52536, 53730, 57312, 59103, 64476, 65670, 70048, 71280, 71640, 78804, 80595, 85968, 87560, 95520, 98505, 105072, 107460, 118206, 128952, 131340, 142560, 143280, 157608, 161190, 171936, 175120, 177309, 197010, 210144, 214920, 236412, 257904, 262680, 286560, 295515, 315216, 322380, 350240, 354618, 394020, 429840, 472824, 515808, 525360, 591030, 630432, 644760, 709236, 788040, 859680, 886545, 945648, 1050720, 1182060, 1289520, 1418472, 1576080, 1773090, 1891296, 2364120, 2579040, 2836944, 3152160, 3546180, 4728240, 5673888, 7092360, 9456480, 14184720, 28369440]

約数ペア:

[(1, 28369440), (2, 14184720), (3, 9456480), (4, 7092360), (5, 5673888), (6, 4728240), (8, 3546180), (9, 3152160), (10, 2836944), (11, 2579040), (12, 2364120), (15, 1891296), (16, 1773090), (18, 1576080), (20, 1418472), (22, 1289520), (24, 1182060), (27, 1050720), (30, 945648), (32, 886545), (33, 859680), (36, 788040), (40, 709236), (44, 644760), (45, 630432), (48, 591030), (54, 525360), (55, 515808), (60, 472824), (66, 429840), (72, 394020), (80, 354618), (81, 350240), (88, 322380), (90, 315216), (96, 295515), (99, 286560), (108, 262680), (110, 257904), (120, 236412), (132, 214920), (135, 210144), (144, 197010), (160, 177309), (162, 175120), (165, 171936), (176, 161190), (180, 157608), (198, 143280), (199, 142560), (216, 131340), (220, 128952), (240, 118206), (264, 107460), (270, 105072), (288, 98505), (297, 95520), (324, 87560), (330, 85968), (352, 80595), (360, 78804), (396, 71640), (398, 71280), (405, 70048), (432, 65670), (440, 64476), (480, 59103), (495, 57312), (528, 53730), (540, 52536), (594, 47760), (597, 47520), (648, 43780), (660, 42984), (720, 39402), (792, 35820), (796, 35640), (810, 35024), (864, 32835), (880, 32238), (891, 31840), (990, 28656), (995, 28512), (1056, 26865), (1080, 26268), (1188, 23880), (1194, 23760), (1296, 21890), (1320, 21492), (1440, 19701), (1485, 19104), (1584, 17910), (1592, 17820), (1620, 17512), (1760, 16119), (1782, 15920), (1791, 15840), (1980, 14328), (1990, 14256), (2160, 13134), (2189, 12960), (2376, 11940), (2388, 11880), (2592, 10945), (2640, 10746), (2970, 9552), (2985, 9504), (3168, 8955), (3184, 8910), (3240, 8756), (3564, 7960), (3582, 7920), (3960, 7164), (3980, 7128), (4320, 6567), (4378, 6480), (4455, 6368), (4752, 5970), (4776, 5940), (5280, 5373)]