263944320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 256

約数和(自身を含む): 904780800

約数和(自身を除く): 640836480

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, 138, 139, 160, 172, 184, 192, 215, 230, 240, 258, 276, 278, 320, 344, 345, 368, 384, 417, 430, 460, 480, 516, 552, 556, 640, 645, 688, 690, 695, 736, 834, 860, 920, 960, 989, 1032, 1104, 1112, 1290, 1376, 1380, 1390, 1472, 1668, 1720, 1840, 1920, 1978, 2064, 2085, 2208, 2224, 2580, 2752, 2760, 2780, 2944, 2967, 3197, 3336, 3440, 3680, 3956, 4128, 4170, 4416, 4448, 4945, 5160, 5504, 5520, 5560, 5934, 5977, 6394, 6672, 6880, 7360, 7912, 8256, 8340, 8832, 8896, 9591, 9890, 10320, 11040, 11120, 11868, 11954, 12788, 13344, 13760, 14720, 14835, 15824, 15985, 16512, 16680, 17792, 17931, 19182, 19780, 20640, 22080, 22240, 23736, 23908, 25576, 26688, 27520, 29670, 29885, 31648, 31970, 33360, 35862, 38364, 39560, 41280, 44160, 44480, 47472, 47816, 47955, 51152, 53376, 59340, 59770, 63296, 63940, 66720, 71724, 76728, 79120, 82560, 88960, 89655, 94944, 95632, 95910, 102304, 118680, 119540, 126592, 127880, 133440, 137471, 143448, 153456, 158240, 179310, 189888, 191264, 191820, 204608, 237360, 239080, 255760, 266880, 274942, 286896, 306912, 316480, 358620, 379776, 382528, 383640, 409216, 412413, 474720, 478160, 511520, 549884, 573792, 613824, 632960, 687355, 717240, 765056, 767280, 824826, 949440, 956320, 1023040, 1099768, 1147584, 1227648, 1374710, 1434480, 1534560, 1649652, 1898880, 1912640, 2046080, 2062065, 2199536, 2295168, 2749420, 2868960, 3069120, 3299304, 3825280, 4124130, 4399072, 5498840, 5737920, 6138240, 6598608, 8248260, 8798144, 10997680, 11475840, 13197216, 16496520, 17596288, 21995360, 26394432, 32993040, 43990720, 52788864, 65986080, 87981440, 131972160, 263944320]

約数ペア:

[(1, 263944320), (2, 131972160), (3, 87981440), (4, 65986080), (5, 52788864), (6, 43990720), (8, 32993040), (10, 26394432), (12, 21995360), (15, 17596288), (16, 16496520), (20, 13197216), (23, 11475840), (24, 10997680), (30, 8798144), (32, 8248260), (40, 6598608), (43, 6138240), (46, 5737920), (48, 5498840), (60, 4399072), (64, 4124130), (69, 3825280), (80, 3299304), (86, 3069120), (92, 2868960), (96, 2749420), (115, 2295168), (120, 2199536), (128, 2062065), (129, 2046080), (138, 1912640), (139, 1898880), (160, 1649652), (172, 1534560), (184, 1434480), (192, 1374710), (215, 1227648), (230, 1147584), (240, 1099768), (258, 1023040), (276, 956320), (278, 949440), (320, 824826), (344, 767280), (345, 765056), (368, 717240), (384, 687355), (417, 632960), (430, 613824), (460, 573792), (480, 549884), (516, 511520), (552, 478160), (556, 474720), (640, 412413), (645, 409216), (688, 383640), (690, 382528), (695, 379776), (736, 358620), (834, 316480), (860, 306912), (920, 286896), (960, 274942), (989, 266880), (1032, 255760), (1104, 239080), (1112, 237360), (1290, 204608), (1376, 191820), (1380, 191264), (1390, 189888), (1472, 179310), (1668, 158240), (1720, 153456), (1840, 143448), (1920, 137471), (1978, 133440), (2064, 127880), (2085, 126592), (2208, 119540), (2224, 118680), (2580, 102304), (2752, 95910), (2760, 95632), (2780, 94944), (2944, 89655), (2967, 88960), (3197, 82560), (3336, 79120), (3440, 76728), (3680, 71724), (3956, 66720), (4128, 63940), (4170, 63296), (4416, 59770), (4448, 59340), (4945, 53376), (5160, 51152), (5504, 47955), (5520, 47816), (5560, 47472), (5934, 44480), (5977, 44160), (6394, 41280), (6672, 39560), (6880, 38364), (7360, 35862), (7912, 33360), (8256, 31970), (8340, 31648), (8832, 29885), (8896, 29670), (9591, 27520), (9890, 26688), (10320, 25576), (11040, 23908), (11120, 23736), (11868, 22240), (11954, 22080), (12788, 20640), (13344, 19780), (13760, 19182), (14720, 17931), (14835, 17792), (15824, 16680), (15985, 16512)]