256830000

素因数分解:

$2^4\times 3^1\times 5^4\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1261

約数の個数: 200

約数和(自身を含む): 948296448

約数和(自身を除く): 691466448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 500, 525, 560, 600, 625, 700, 750, 840, 875, 1000, 1050, 1200, 1223, 1250, 1400, 1500, 1680, 1750, 1875, 2000, 2100, 2446, 2500, 2625, 2800, 3000, 3500, 3669, 3750, 4200, 4375, 4892, 5000, 5250, 6000, 6115, 7000, 7338, 7500, 8400, 8561, 8750, 9784, 10000, 10500, 12230, 13125, 14000, 14676, 15000, 17122, 17500, 18345, 19568, 21000, 24460, 25683, 26250, 29352, 30000, 30575, 34244, 35000, 36690, 42000, 42805, 48920, 51366, 52500, 58704, 61150, 68488, 70000, 73380, 85610, 91725, 97840, 102732, 105000, 122300, 128415, 136976, 146760, 152875, 171220, 183450, 205464, 210000, 214025, 244600, 256830, 293520, 305750, 342440, 366900, 410928, 428050, 458625, 489200, 513660, 611500, 642075, 684880, 733800, 764375, 856100, 917250, 1027320, 1070125, 1223000, 1284150, 1467600, 1528750, 1712200, 1834500, 2054640, 2140250, 2293125, 2446000, 2568300, 3057500, 3210375, 3424400, 3669000, 4280500, 4586250, 5136600, 5350625, 6115000, 6420750, 7338000, 8561000, 9172500, 10273200, 10701250, 12230000, 12841500, 16051875, 17122000, 18345000, 21402500, 25683000, 32103750, 36690000, 42805000, 51366000, 64207500, 85610000, 128415000, 256830000]

約数ペア:

[(1, 256830000), (2, 128415000), (3, 85610000), (4, 64207500), (5, 51366000), (6, 42805000), (7, 36690000), (8, 32103750), (10, 25683000), (12, 21402500), (14, 18345000), (15, 17122000), (16, 16051875), (20, 12841500), (21, 12230000), (24, 10701250), (25, 10273200), (28, 9172500), (30, 8561000), (35, 7338000), (40, 6420750), (42, 6115000), (48, 5350625), (50, 5136600), (56, 4586250), (60, 4280500), (70, 3669000), (75, 3424400), (80, 3210375), (84, 3057500), (100, 2568300), (105, 2446000), (112, 2293125), (120, 2140250), (125, 2054640), (140, 1834500), (150, 1712200), (168, 1528750), (175, 1467600), (200, 1284150), (210, 1223000), (240, 1070125), (250, 1027320), (280, 917250), (300, 856100), (336, 764375), (350, 733800), (375, 684880), (400, 642075), (420, 611500), (500, 513660), (525, 489200), (560, 458625), (600, 428050), (625, 410928), (700, 366900), (750, 342440), (840, 305750), (875, 293520), (1000, 256830), (1050, 244600), (1200, 214025), (1223, 210000), (1250, 205464), (1400, 183450), (1500, 171220), (1680, 152875), (1750, 146760), (1875, 136976), (2000, 128415), (2100, 122300), (2446, 105000), (2500, 102732), (2625, 97840), (2800, 91725), (3000, 85610), (3500, 73380), (3669, 70000), (3750, 68488), (4200, 61150), (4375, 58704), (4892, 52500), (5000, 51366), (5250, 48920), (6000, 42805), (6115, 42000), (7000, 36690), (7338, 35000), (7500, 34244), (8400, 30575), (8561, 30000), (8750, 29352), (9784, 26250), (10000, 25683), (10500, 24460), (12230, 21000), (13125, 19568), (14000, 18345), (14676, 17500), (15000, 17122)]