248753280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 256

約数和(自身を含む): 853079040

約数和(自身を除く): 604325760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 43, 46, 48, 60, 64, 69, 80, 86, 92, 96, 115, 120, 128, 129, 131, 138, 160, 172, 184, 192, 215, 230, 240, 258, 262, 276, 320, 344, 345, 368, 384, 393, 430, 460, 480, 516, 524, 552, 640, 645, 655, 688, 690, 736, 786, 860, 920, 960, 989, 1032, 1048, 1104, 1290, 1310, 1376, 1380, 1472, 1572, 1720, 1840, 1920, 1965, 1978, 2064, 2096, 2208, 2580, 2620, 2752, 2760, 2944, 2967, 3013, 3144, 3440, 3680, 3930, 3956, 4128, 4192, 4416, 4945, 5160, 5240, 5504, 5520, 5633, 5934, 6026, 6288, 6880, 7360, 7860, 7912, 8256, 8384, 8832, 9039, 9890, 10320, 10480, 11040, 11266, 11868, 12052, 12576, 13760, 14720, 14835, 15065, 15720, 15824, 16512, 16768, 16899, 18078, 19780, 20640, 20960, 22080, 22532, 23736, 24104, 25152, 27520, 28165, 29670, 30130, 31440, 31648, 33798, 36156, 39560, 41280, 41920, 44160, 45064, 45195, 47472, 48208, 50304, 56330, 59340, 60260, 62880, 63296, 67596, 72312, 79120, 82560, 83840, 84495, 90128, 90390, 94944, 96416, 112660, 118680, 120520, 125760, 126592, 129559, 135192, 144624, 158240, 168990, 180256, 180780, 189888, 192832, 225320, 237360, 241040, 251520, 259118, 270384, 289248, 316480, 337980, 360512, 361560, 379776, 385664, 388677, 450640, 474720, 482080, 518236, 540768, 578496, 632960, 647795, 675960, 721024, 723120, 777354, 901280, 949440, 964160, 1036472, 1081536, 1156992, 1295590, 1351920, 1446240, 1554708, 1802560, 1898880, 1928320, 1943385, 2072944, 2163072, 2591180, 2703840, 2892480, 3109416, 3605120, 3886770, 4145888, 5182360, 5407680, 5784960, 6218832, 7773540, 8291776, 10364720, 10815360, 12437664, 15547080, 16583552, 20729440, 24875328, 31094160, 41458880, 49750656, 62188320, 82917760, 124376640, 248753280]

約数ペア:

[(1, 248753280), (2, 124376640), (3, 82917760), (4, 62188320), (5, 49750656), (6, 41458880), (8, 31094160), (10, 24875328), (12, 20729440), (15, 16583552), (16, 15547080), (20, 12437664), (23, 10815360), (24, 10364720), (30, 8291776), (32, 7773540), (40, 6218832), (43, 5784960), (46, 5407680), (48, 5182360), (60, 4145888), (64, 3886770), (69, 3605120), (80, 3109416), (86, 2892480), (92, 2703840), (96, 2591180), (115, 2163072), (120, 2072944), (128, 1943385), (129, 1928320), (131, 1898880), (138, 1802560), (160, 1554708), (172, 1446240), (184, 1351920), (192, 1295590), (215, 1156992), (230, 1081536), (240, 1036472), (258, 964160), (262, 949440), (276, 901280), (320, 777354), (344, 723120), (345, 721024), (368, 675960), (384, 647795), (393, 632960), (430, 578496), (460, 540768), (480, 518236), (516, 482080), (524, 474720), (552, 450640), (640, 388677), (645, 385664), (655, 379776), (688, 361560), (690, 360512), (736, 337980), (786, 316480), (860, 289248), (920, 270384), (960, 259118), (989, 251520), (1032, 241040), (1048, 237360), (1104, 225320), (1290, 192832), (1310, 189888), (1376, 180780), (1380, 180256), (1472, 168990), (1572, 158240), (1720, 144624), (1840, 135192), (1920, 129559), (1965, 126592), (1978, 125760), (2064, 120520), (2096, 118680), (2208, 112660), (2580, 96416), (2620, 94944), (2752, 90390), (2760, 90128), (2944, 84495), (2967, 83840), (3013, 82560), (3144, 79120), (3440, 72312), (3680, 67596), (3930, 63296), (3956, 62880), (4128, 60260), (4192, 59340), (4416, 56330), (4945, 50304), (5160, 48208), (5240, 47472), (5504, 45195), (5520, 45064), (5633, 44160), (5934, 41920), (6026, 41280), (6288, 39560), (6880, 36156), (7360, 33798), (7860, 31648), (7912, 31440), (8256, 30130), (8384, 29670), (8832, 28165), (9039, 27520), (9890, 25152), (10320, 24104), (10480, 23736), (11040, 22532), (11266, 22080), (11868, 20960), (12052, 20640), (12576, 19780), (13760, 18078), (14720, 16899), (14835, 16768), (15065, 16512), (15720, 15824)]