256935000

素因数分解:

$2^3\times 3^1\times 5^4\times 7^1\times {\mathrm{2447}}^1$

素因数の和:2483

約数の個数: 160

約数和(自身を含む): 917706240

約数和(自身を除く): 660771240

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, 625, 700, 750, 840, 875, 1000, 1050, 1250, 1400, 1500, 1750, 1875, 2100, 2447, 2500, 2625, 3000, 3500, 3750, 4200, 4375, 4894, 5000, 5250, 7000, 7341, 7500, 8750, 9788, 10500, 12235, 13125, 14682, 15000, 17129, 17500, 19576, 21000, 24470, 26250, 29364, 34258, 35000, 36705, 48940, 51387, 52500, 58728, 61175, 68516, 73410, 85645, 97880, 102774, 105000, 122350, 137032, 146820, 171290, 183525, 205548, 244700, 256935, 293640, 305875, 342580, 367050, 411096, 428225, 489400, 513870, 611750, 685160, 734100, 856450, 917625, 1027740, 1223500, 1284675, 1468200, 1529375, 1712900, 1835250, 2055480, 2141125, 2447000, 2569350, 3058750, 3425800, 3670500, 4282250, 4588125, 5138700, 6117500, 6423375, 7341000, 8564500, 9176250, 10277400, 10705625, 12235000, 12846750, 17129000, 18352500, 21411250, 25693500, 32116875, 36705000, 42822500, 51387000, 64233750, 85645000, 128467500, 256935000]

約数ペア:

[(1, 256935000), (2, 128467500), (3, 85645000), (4, 64233750), (5, 51387000), (6, 42822500), (7, 36705000), (8, 32116875), (10, 25693500), (12, 21411250), (14, 18352500), (15, 17129000), (20, 12846750), (21, 12235000), (24, 10705625), (25, 10277400), (28, 9176250), (30, 8564500), (35, 7341000), (40, 6423375), (42, 6117500), (50, 5138700), (56, 4588125), (60, 4282250), (70, 3670500), (75, 3425800), (84, 3058750), (100, 2569350), (105, 2447000), (120, 2141125), (125, 2055480), (140, 1835250), (150, 1712900), (168, 1529375), (175, 1468200), (200, 1284675), (210, 1223500), (250, 1027740), (280, 917625), (300, 856450), (350, 734100), (375, 685160), (420, 611750), (500, 513870), (525, 489400), (600, 428225), (625, 411096), (700, 367050), (750, 342580), (840, 305875), (875, 293640), (1000, 256935), (1050, 244700), (1250, 205548), (1400, 183525), (1500, 171290), (1750, 146820), (1875, 137032), (2100, 122350), (2447, 105000), (2500, 102774), (2625, 97880), (3000, 85645), (3500, 73410), (3750, 68516), (4200, 61175), (4375, 58728), (4894, 52500), (5000, 51387), (5250, 48940), (7000, 36705), (7341, 35000), (7500, 34258), (8750, 29364), (9788, 26250), (10500, 24470), (12235, 21000), (13125, 19576), (14682, 17500), (15000, 17129)]