291431520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 240

約数和(自身を含む): 1042826400

約数和(自身を除く): 751394880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 113, 120, 135, 144, 160, 162, 180, 199, 216, 226, 240, 270, 288, 324, 339, 360, 398, 405, 432, 452, 480, 540, 565, 597, 648, 678, 720, 796, 810, 864, 904, 995, 1017, 1080, 1130, 1194, 1296, 1356, 1440, 1592, 1620, 1695, 1791, 1808, 1990, 2034, 2160, 2260, 2388, 2592, 2712, 2985, 3051, 3184, 3240, 3390, 3582, 3616, 3980, 4068, 4320, 4520, 4776, 5085, 5373, 5424, 5970, 6102, 6368, 6480, 6780, 7164, 7960, 8136, 8955, 9040, 9153, 9552, 10170, 10746, 10848, 11940, 12204, 12960, 13560, 14328, 15255, 15920, 16119, 16272, 17910, 18080, 18306, 19104, 20340, 21492, 22487, 23880, 24408, 26865, 27120, 28656, 30510, 31840, 32238, 32544, 35820, 36612, 40680, 42984, 44974, 45765, 47760, 48816, 53730, 54240, 57312, 61020, 64476, 67461, 71640, 73224, 80595, 81360, 85968, 89948, 91530, 95520, 97632, 107460, 112435, 122040, 128952, 134922, 143280, 146448, 161190, 162720, 171936, 179896, 183060, 202383, 214920, 224870, 244080, 257904, 269844, 286560, 292896, 322380, 337305, 359792, 366120, 404766, 429840, 449740, 488160, 515808, 539688, 607149, 644760, 674610, 719584, 732240, 809532, 859680, 899480, 1011915, 1079376, 1214298, 1289520, 1349220, 1464480, 1619064, 1798960, 1821447, 2023830, 2158752, 2428596, 2579040, 2698440, 3035745, 3238128, 3597920, 3642894, 4047660, 4857192, 5396880, 6071490, 6476256, 7285788, 8095320, 9107235, 9714384, 10793760, 12142980, 14571576, 16190640, 18214470, 19428768, 24285960, 29143152, 32381280, 36428940, 48571920, 58286304, 72857880, 97143840, 145715760, 291431520]

約数ペア:

[(1, 291431520), (2, 145715760), (3, 97143840), (4, 72857880), (5, 58286304), (6, 48571920), (8, 36428940), (9, 32381280), (10, 29143152), (12, 24285960), (15, 19428768), (16, 18214470), (18, 16190640), (20, 14571576), (24, 12142980), (27, 10793760), (30, 9714384), (32, 9107235), (36, 8095320), (40, 7285788), (45, 6476256), (48, 6071490), (54, 5396880), (60, 4857192), (72, 4047660), (80, 3642894), (81, 3597920), (90, 3238128), (96, 3035745), (108, 2698440), (113, 2579040), (120, 2428596), (135, 2158752), (144, 2023830), (160, 1821447), (162, 1798960), (180, 1619064), (199, 1464480), (216, 1349220), (226, 1289520), (240, 1214298), (270, 1079376), (288, 1011915), (324, 899480), (339, 859680), (360, 809532), (398, 732240), (405, 719584), (432, 674610), (452, 644760), (480, 607149), (540, 539688), (565, 515808), (597, 488160), (648, 449740), (678, 429840), (720, 404766), (796, 366120), (810, 359792), (864, 337305), (904, 322380), (995, 292896), (1017, 286560), (1080, 269844), (1130, 257904), (1194, 244080), (1296, 224870), (1356, 214920), (1440, 202383), (1592, 183060), (1620, 179896), (1695, 171936), (1791, 162720), (1808, 161190), (1990, 146448), (2034, 143280), (2160, 134922), (2260, 128952), (2388, 122040), (2592, 112435), (2712, 107460), (2985, 97632), (3051, 95520), (3184, 91530), (3240, 89948), (3390, 85968), (3582, 81360), (3616, 80595), (3980, 73224), (4068, 71640), (4320, 67461), (4520, 64476), (4776, 61020), (5085, 57312), (5373, 54240), (5424, 53730), (5970, 48816), (6102, 47760), (6368, 45765), (6480, 44974), (6780, 42984), (7164, 40680), (7960, 36612), (8136, 35820), (8955, 32544), (9040, 32238), (9153, 31840), (9552, 30510), (10170, 28656), (10746, 27120), (10848, 26865), (11940, 24408), (12204, 23880), (12960, 22487), (13560, 21492), (14328, 20340), (15255, 19104), (15920, 18306), (16119, 18080), (16272, 17910)]