256200000

素因数分解:

$2^6\times 3^1\times 5^5\times 7^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 336

約数和(自身を含む): 984187008

約数和(自身を除く): 727987008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 61, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 122, 125, 140, 150, 160, 168, 175, 183, 192, 200, 210, 224, 240, 244, 250, 280, 300, 305, 320, 336, 350, 366, 375, 400, 420, 427, 448, 480, 488, 500, 525, 560, 600, 610, 625, 672, 700, 732, 750, 800, 840, 854, 875, 915, 960, 976, 1000, 1050, 1120, 1200, 1220, 1250, 1281, 1344, 1400, 1464, 1500, 1525, 1600, 1680, 1708, 1750, 1830, 1875, 1952, 2000, 2100, 2135, 2240, 2400, 2440, 2500, 2562, 2625, 2800, 2928, 3000, 3050, 3125, 3360, 3416, 3500, 3660, 3750, 3904, 4000, 4200, 4270, 4375, 4575, 4800, 4880, 5000, 5124, 5250, 5600, 5856, 6000, 6100, 6250, 6405, 6720, 6832, 7000, 7320, 7500, 7625, 8000, 8400, 8540, 8750, 9150, 9375, 9760, 10000, 10248, 10500, 10675, 11200, 11712, 12000, 12200, 12500, 12810, 13125, 13664, 14000, 14640, 15000, 15250, 16800, 17080, 17500, 18300, 18750, 19520, 20000, 20496, 21000, 21350, 21875, 22875, 24000, 24400, 25000, 25620, 26250, 27328, 28000, 29280, 30000, 30500, 32025, 33600, 34160, 35000, 36600, 37500, 38125, 40000, 40992, 42000, 42700, 43750, 45750, 48800, 50000, 51240, 52500, 53375, 56000, 58560, 60000, 61000, 64050, 65625, 68320, 70000, 73200, 75000, 76250, 81984, 84000, 85400, 87500, 91500, 97600, 100000, 102480, 105000, 106750, 114375, 120000, 122000, 128100, 131250, 136640, 140000, 146400, 150000, 152500, 160125, 168000, 170800, 175000, 183000, 190625, 200000, 204960, 210000, 213500, 228750, 244000, 256200, 262500, 266875, 280000, 292800, 300000, 305000, 320250, 341600, 350000, 366000, 381250, 409920, 420000, 427000, 457500, 488000, 512400, 525000, 533750, 571875, 600000, 610000, 640500, 683200, 700000, 732000, 762500, 800625, 840000, 854000, 915000, 1024800, 1050000, 1067500, 1143750, 1220000, 1281000, 1334375, 1400000, 1464000, 1525000, 1601250, 1708000, 1830000, 2049600, 2100000, 2135000, 2287500, 2440000, 2562000, 2668750, 3050000, 3202500, 3416000, 3660000, 4003125, 4200000, 4270000, 4575000, 5124000, 5337500, 6100000, 6405000, 7320000, 8006250, 8540000, 9150000, 10248000, 10675000, 12200000, 12810000, 16012500, 17080000, 18300000, 21350000, 25620000, 32025000, 36600000, 42700000, 51240000, 64050000, 85400000, 128100000, 256200000]

約数ペア:

[(1, 256200000), (2, 128100000), (3, 85400000), (4, 64050000), (5, 51240000), (6, 42700000), (7, 36600000), (8, 32025000), (10, 25620000), (12, 21350000), (14, 18300000), (15, 17080000), (16, 16012500), (20, 12810000), (21, 12200000), (24, 10675000), (25, 10248000), (28, 9150000), (30, 8540000), (32, 8006250), (35, 7320000), (40, 6405000), (42, 6100000), (48, 5337500), (50, 5124000), (56, 4575000), (60, 4270000), (61, 4200000), (64, 4003125), (70, 3660000), (75, 3416000), (80, 3202500), (84, 3050000), (96, 2668750), (100, 2562000), (105, 2440000), (112, 2287500), (120, 2135000), (122, 2100000), (125, 2049600), (140, 1830000), (150, 1708000), (160, 1601250), (168, 1525000), (175, 1464000), (183, 1400000), (192, 1334375), (200, 1281000), (210, 1220000), (224, 1143750), (240, 1067500), (244, 1050000), (250, 1024800), (280, 915000), (300, 854000), (305, 840000), (320, 800625), (336, 762500), (350, 732000), (366, 700000), (375, 683200), (400, 640500), (420, 610000), (427, 600000), (448, 571875), (480, 533750), (488, 525000), (500, 512400), (525, 488000), (560, 457500), (600, 427000), (610, 420000), (625, 409920), (672, 381250), (700, 366000), (732, 350000), (750, 341600), (800, 320250), (840, 305000), (854, 300000), (875, 292800), (915, 280000), (960, 266875), (976, 262500), (1000, 256200), (1050, 244000), (1120, 228750), (1200, 213500), (1220, 210000), (1250, 204960), (1281, 200000), (1344, 190625), (1400, 183000), (1464, 175000), (1500, 170800), (1525, 168000), (1600, 160125), (1680, 152500), (1708, 150000), (1750, 146400), (1830, 140000), (1875, 136640), (1952, 131250), (2000, 128100), (2100, 122000), (2135, 120000), (2240, 114375), (2400, 106750), (2440, 105000), (2500, 102480), (2562, 100000), (2625, 97600), (2800, 91500), (2928, 87500), (3000, 85400), (3050, 84000), (3125, 81984), (3360, 76250), (3416, 75000), (3500, 73200), (3660, 70000), (3750, 68320), (3904, 65625), (4000, 64050), (4200, 61000), (4270, 60000), (4375, 58560), (4575, 56000), (4800, 53375), (4880, 52500), (5000, 51240), (5124, 50000), (5250, 48800), (5600, 45750), (5856, 43750), (6000, 42700), (6100, 42000), (6250, 40992), (6405, 40000), (6720, 38125), (6832, 37500), (7000, 36600), (7320, 35000), (7500, 34160), (7625, 33600), (8000, 32025), (8400, 30500), (8540, 30000), (8750, 29280), (9150, 28000), (9375, 27328), (9760, 26250), (10000, 25620), (10248, 25000), (10500, 24400), (10675, 24000), (11200, 22875), (11712, 21875), (12000, 21350), (12200, 21000), (12500, 20496), (12810, 20000), (13125, 19520), (13664, 18750), (14000, 18300), (14640, 17500), (15000, 17080), (15250, 16800)]