280616960

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 224

約数和(自身を含む): 792675072

約数和(自身を除く): 512058112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 124, 128, 130, 136, 155, 160, 170, 208, 221, 248, 256, 260, 272, 310, 320, 340, 403, 416, 442, 496, 512, 520, 527, 544, 620, 640, 680, 806, 832, 884, 992, 1024, 1040, 1054, 1088, 1105, 1240, 1280, 1360, 1612, 1664, 1768, 1984, 2015, 2048, 2080, 2108, 2176, 2210, 2480, 2560, 2635, 2720, 3224, 3328, 3536, 3968, 4030, 4096, 4160, 4216, 4352, 4420, 4960, 5120, 5270, 5440, 6448, 6656, 6851, 7072, 7936, 8060, 8192, 8320, 8432, 8704, 8840, 9920, 10240, 10540, 10880, 12896, 13312, 13702, 14144, 15872, 16120, 16640, 16864, 17408, 17680, 19840, 20480, 21080, 21760, 25792, 26624, 27404, 28288, 31744, 32240, 33280, 33728, 34255, 34816, 35360, 39680, 40960, 42160, 43520, 51584, 53248, 54808, 56576, 63488, 64480, 66560, 67456, 68510, 69632, 70720, 79360, 84320, 87040, 103168, 106496, 109616, 113152, 126976, 128960, 133120, 134912, 137020, 139264, 141440, 158720, 168640, 174080, 206336, 219232, 226304, 253952, 257920, 266240, 269824, 274040, 282880, 317440, 337280, 348160, 412672, 438464, 452608, 515840, 532480, 539648, 548080, 565760, 634880, 674560, 696320, 825344, 876928, 905216, 1031680, 1079296, 1096160, 1131520, 1269760, 1349120, 1650688, 1753856, 1810432, 2063360, 2158592, 2192320, 2263040, 2698240, 3301376, 3507712, 4126720, 4317184, 4384640, 4526080, 5396480, 7015424, 8253440, 8769280, 9052160, 10792960, 14030848, 16506880, 17538560, 21585920, 28061696, 35077120, 56123392, 70154240, 140308480, 280616960]

約数ペア:

[(1, 280616960), (2, 140308480), (4, 70154240), (5, 56123392), (8, 35077120), (10, 28061696), (13, 21585920), (16, 17538560), (17, 16506880), (20, 14030848), (26, 10792960), (31, 9052160), (32, 8769280), (34, 8253440), (40, 7015424), (52, 5396480), (62, 4526080), (64, 4384640), (65, 4317184), (68, 4126720), (80, 3507712), (85, 3301376), (104, 2698240), (124, 2263040), (128, 2192320), (130, 2158592), (136, 2063360), (155, 1810432), (160, 1753856), (170, 1650688), (208, 1349120), (221, 1269760), (248, 1131520), (256, 1096160), (260, 1079296), (272, 1031680), (310, 905216), (320, 876928), (340, 825344), (403, 696320), (416, 674560), (442, 634880), (496, 565760), (512, 548080), (520, 539648), (527, 532480), (544, 515840), (620, 452608), (640, 438464), (680, 412672), (806, 348160), (832, 337280), (884, 317440), (992, 282880), (1024, 274040), (1040, 269824), (1054, 266240), (1088, 257920), (1105, 253952), (1240, 226304), (1280, 219232), (1360, 206336), (1612, 174080), (1664, 168640), (1768, 158720), (1984, 141440), (2015, 139264), (2048, 137020), (2080, 134912), (2108, 133120), (2176, 128960), (2210, 126976), (2480, 113152), (2560, 109616), (2635, 106496), (2720, 103168), (3224, 87040), (3328, 84320), (3536, 79360), (3968, 70720), (4030, 69632), (4096, 68510), (4160, 67456), (4216, 66560), (4352, 64480), (4420, 63488), (4960, 56576), (5120, 54808), (5270, 53248), (5440, 51584), (6448, 43520), (6656, 42160), (6851, 40960), (7072, 39680), (7936, 35360), (8060, 34816), (8192, 34255), (8320, 33728), (8432, 33280), (8704, 32240), (8840, 31744), (9920, 28288), (10240, 27404), (10540, 26624), (10880, 25792), (12896, 21760), (13312, 21080), (13702, 20480), (14144, 19840), (15872, 17680), (16120, 17408), (16640, 16864)]