256767000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{12227}}^1$

素因数の和:12258

約数の個数: 128

約数和(自身を含む): 915632640

約数和(自身を除く): 658865640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 4200, 5250, 7000, 10500, 12227, 21000, 24454, 36681, 48908, 61135, 73362, 85589, 97816, 122270, 146724, 171178, 183405, 244540, 256767, 293448, 305675, 342356, 366810, 427945, 489080, 513534, 611350, 684712, 733620, 855890, 917025, 1027068, 1222700, 1283835, 1467240, 1528375, 1711780, 1834050, 2054136, 2139725, 2445400, 2567670, 3056750, 3423560, 3668100, 4279450, 4585125, 5135340, 6113500, 6419175, 7336200, 8558900, 9170250, 10270680, 10698625, 12227000, 12838350, 17117800, 18340500, 21397250, 25676700, 32095875, 36681000, 42794500, 51353400, 64191750, 85589000, 128383500, 256767000]

約数ペア:

[(1, 256767000), (2, 128383500), (3, 85589000), (4, 64191750), (5, 51353400), (6, 42794500), (7, 36681000), (8, 32095875), (10, 25676700), (12, 21397250), (14, 18340500), (15, 17117800), (20, 12838350), (21, 12227000), (24, 10698625), (25, 10270680), (28, 9170250), (30, 8558900), (35, 7336200), (40, 6419175), (42, 6113500), (50, 5135340), (56, 4585125), (60, 4279450), (70, 3668100), (75, 3423560), (84, 3056750), (100, 2567670), (105, 2445400), (120, 2139725), (125, 2054136), (140, 1834050), (150, 1711780), (168, 1528375), (175, 1467240), (200, 1283835), (210, 1222700), (250, 1027068), (280, 917025), (300, 855890), (350, 733620), (375, 684712), (420, 611350), (500, 513534), (525, 489080), (600, 427945), (700, 366810), (750, 342356), (840, 305675), (875, 293448), (1000, 256767), (1050, 244540), (1400, 183405), (1500, 171178), (1750, 146724), (2100, 122270), (2625, 97816), (3000, 85589), (3500, 73362), (4200, 61135), (5250, 48908), (7000, 36681), (10500, 24454), (12227, 21000)]