256679040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3174

約数の個数: 128

約数和(自身を含む): 837460800

約数和(自身を除く): 580781760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3109, 3440, 4128, 5160, 5504, 6218, 6880, 8256, 9327, 10320, 12436, 13760, 15545, 16512, 18654, 20640, 24872, 27520, 31090, 37308, 41280, 46635, 49744, 62180, 74616, 82560, 93270, 99488, 124360, 133687, 149232, 186540, 198976, 248720, 267374, 298464, 373080, 397952, 401061, 497440, 534748, 596928, 668435, 746160, 802122, 994880, 1069496, 1193856, 1336870, 1492320, 1604244, 1989760, 2005305, 2138992, 2673740, 2984640, 3208488, 4010610, 4277984, 5347480, 5969280, 6416976, 8021220, 8555968, 10694960, 12833952, 16042440, 17111936, 21389920, 25667904, 32084880, 42779840, 51335808, 64169760, 85559680, 128339520, 256679040]

約数ペア:

[(1, 256679040), (2, 128339520), (3, 85559680), (4, 64169760), (5, 51335808), (6, 42779840), (8, 32084880), (10, 25667904), (12, 21389920), (15, 17111936), (16, 16042440), (20, 12833952), (24, 10694960), (30, 8555968), (32, 8021220), (40, 6416976), (43, 5969280), (48, 5347480), (60, 4277984), (64, 4010610), (80, 3208488), (86, 2984640), (96, 2673740), (120, 2138992), (128, 2005305), (129, 1989760), (160, 1604244), (172, 1492320), (192, 1336870), (215, 1193856), (240, 1069496), (258, 994880), (320, 802122), (344, 746160), (384, 668435), (430, 596928), (480, 534748), (516, 497440), (640, 401061), (645, 397952), (688, 373080), (860, 298464), (960, 267374), (1032, 248720), (1290, 198976), (1376, 186540), (1720, 149232), (1920, 133687), (2064, 124360), (2580, 99488), (2752, 93270), (3109, 82560), (3440, 74616), (4128, 62180), (5160, 49744), (5504, 46635), (6218, 41280), (6880, 37308), (8256, 31090), (9327, 27520), (10320, 24872), (12436, 20640), (13760, 18654), (15545, 16512)]