256396800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:649

約数の個数: 240

約数和(自身を含む): 925512192

約数和(自身を除く): 669115392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 64, 66, 75, 80, 88, 96, 100, 110, 120, 128, 132, 150, 160, 165, 176, 192, 200, 220, 240, 256, 264, 275, 300, 320, 330, 352, 384, 400, 440, 480, 512, 528, 550, 600, 607, 640, 660, 704, 768, 800, 825, 880, 960, 1056, 1100, 1200, 1214, 1280, 1320, 1408, 1536, 1600, 1650, 1760, 1821, 1920, 2112, 2200, 2400, 2428, 2560, 2640, 2816, 3035, 3200, 3300, 3520, 3642, 3840, 4224, 4400, 4800, 4856, 5280, 5632, 6070, 6400, 6600, 6677, 7040, 7284, 7680, 8448, 8800, 9105, 9600, 9712, 10560, 12140, 12800, 13200, 13354, 14080, 14568, 15175, 16896, 17600, 18210, 19200, 19424, 20031, 21120, 24280, 26400, 26708, 28160, 29136, 30350, 33385, 35200, 36420, 38400, 38848, 40062, 42240, 45525, 48560, 52800, 53416, 58272, 60700, 66770, 70400, 72840, 77696, 80124, 84480, 91050, 97120, 100155, 105600, 106832, 116544, 121400, 133540, 140800, 145680, 155392, 160248, 166925, 182100, 194240, 200310, 211200, 213664, 233088, 242800, 267080, 291360, 310784, 320496, 333850, 364200, 388480, 400620, 422400, 427328, 466176, 485600, 500775, 534160, 582720, 640992, 667700, 728400, 776960, 801240, 854656, 932352, 971200, 1001550, 1068320, 1165440, 1281984, 1335400, 1456800, 1553920, 1602480, 1709312, 1942400, 2003100, 2136640, 2330880, 2563968, 2670800, 2913600, 3204960, 3418624, 3884800, 4006200, 4273280, 4661760, 5127936, 5341600, 5827200, 6409920, 7769600, 8012400, 8546560, 10255872, 10683200, 11654400, 12819840, 16024800, 17093120, 21366400, 23308800, 25639680, 32049600, 42732800, 51279360, 64099200, 85465600, 128198400, 256396800]

約数ペア:

[(1, 256396800), (2, 128198400), (3, 85465600), (4, 64099200), (5, 51279360), (6, 42732800), (8, 32049600), (10, 25639680), (11, 23308800), (12, 21366400), (15, 17093120), (16, 16024800), (20, 12819840), (22, 11654400), (24, 10683200), (25, 10255872), (30, 8546560), (32, 8012400), (33, 7769600), (40, 6409920), (44, 5827200), (48, 5341600), (50, 5127936), (55, 4661760), (60, 4273280), (64, 4006200), (66, 3884800), (75, 3418624), (80, 3204960), (88, 2913600), (96, 2670800), (100, 2563968), (110, 2330880), (120, 2136640), (128, 2003100), (132, 1942400), (150, 1709312), (160, 1602480), (165, 1553920), (176, 1456800), (192, 1335400), (200, 1281984), (220, 1165440), (240, 1068320), (256, 1001550), (264, 971200), (275, 932352), (300, 854656), (320, 801240), (330, 776960), (352, 728400), (384, 667700), (400, 640992), (440, 582720), (480, 534160), (512, 500775), (528, 485600), (550, 466176), (600, 427328), (607, 422400), (640, 400620), (660, 388480), (704, 364200), (768, 333850), (800, 320496), (825, 310784), (880, 291360), (960, 267080), (1056, 242800), (1100, 233088), (1200, 213664), (1214, 211200), (1280, 200310), (1320, 194240), (1408, 182100), (1536, 166925), (1600, 160248), (1650, 155392), (1760, 145680), (1821, 140800), (1920, 133540), (2112, 121400), (2200, 116544), (2400, 106832), (2428, 105600), (2560, 100155), (2640, 97120), (2816, 91050), (3035, 84480), (3200, 80124), (3300, 77696), (3520, 72840), (3642, 70400), (3840, 66770), (4224, 60700), (4400, 58272), (4800, 53416), (4856, 52800), (5280, 48560), (5632, 45525), (6070, 42240), (6400, 40062), (6600, 38848), (6677, 38400), (7040, 36420), (7284, 35200), (7680, 33385), (8448, 30350), (8800, 29136), (9105, 28160), (9600, 26708), (9712, 26400), (10560, 24280), (12140, 21120), (12800, 20031), (13200, 19424), (13354, 19200), (14080, 18210), (14568, 17600), (15175, 16896)]