81858000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1982

約数の個数: 160

約数和(自身を含む): 301766400

約数和(自身を除く): 219908400

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, 700, 750, 840, 875, 1000, 1050, 1200, 1400, 1500, 1680, 1750, 1949, 2000, 2100, 2625, 2800, 3000, 3500, 3898, 4200, 5250, 5847, 6000, 7000, 7796, 8400, 9745, 10500, 11694, 13643, 14000, 15592, 19490, 21000, 23388, 27286, 29235, 31184, 38980, 40929, 42000, 46776, 48725, 54572, 58470, 68215, 77960, 81858, 93552, 97450, 109144, 116940, 136430, 146175, 155920, 163716, 194900, 204645, 218288, 233880, 243625, 272860, 292350, 327432, 341075, 389800, 409290, 467760, 487250, 545720, 584700, 654864, 682150, 730875, 779600, 818580, 974500, 1023225, 1091440, 1169400, 1364300, 1461750, 1637160, 1705375, 1949000, 2046450, 2338800, 2728600, 2923500, 3274320, 3410750, 3898000, 4092900, 5116125, 5457200, 5847000, 6821500, 8185800, 10232250, 11694000, 13643000, 16371600, 20464500, 27286000, 40929000, 81858000]

約数ペア:

[(1, 81858000), (2, 40929000), (3, 27286000), (4, 20464500), (5, 16371600), (6, 13643000), (7, 11694000), (8, 10232250), (10, 8185800), (12, 6821500), (14, 5847000), (15, 5457200), (16, 5116125), (20, 4092900), (21, 3898000), (24, 3410750), (25, 3274320), (28, 2923500), (30, 2728600), (35, 2338800), (40, 2046450), (42, 1949000), (48, 1705375), (50, 1637160), (56, 1461750), (60, 1364300), (70, 1169400), (75, 1091440), (80, 1023225), (84, 974500), (100, 818580), (105, 779600), (112, 730875), (120, 682150), (125, 654864), (140, 584700), (150, 545720), (168, 487250), (175, 467760), (200, 409290), (210, 389800), (240, 341075), (250, 327432), (280, 292350), (300, 272860), (336, 243625), (350, 233880), (375, 218288), (400, 204645), (420, 194900), (500, 163716), (525, 155920), (560, 146175), (600, 136430), (700, 116940), (750, 109144), (840, 97450), (875, 93552), (1000, 81858), (1050, 77960), (1200, 68215), (1400, 58470), (1500, 54572), (1680, 48725), (1750, 46776), (1949, 42000), (2000, 40929), (2100, 38980), (2625, 31184), (2800, 29235), (3000, 27286), (3500, 23388), (3898, 21000), (4200, 19490), (5250, 15592), (5847, 14000), (6000, 13643), (7000, 11694), (7796, 10500), (8400, 9745)]