81669000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{3889}}^1$

素因数の和:3920

約数の個数: 128

約数和(自身を含む): 291283200

約数和(自身を除く): 209614200

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, 3889, 4200, 5250, 7000, 7778, 10500, 11667, 15556, 19445, 21000, 23334, 27223, 31112, 38890, 46668, 54446, 58335, 77780, 81669, 93336, 97225, 108892, 116670, 136115, 155560, 163338, 194450, 217784, 233340, 272230, 291675, 326676, 388900, 408345, 466680, 486125, 544460, 583350, 653352, 680575, 777800, 816690, 972250, 1088920, 1166700, 1361150, 1458375, 1633380, 1944500, 2041725, 2333400, 2722300, 2916750, 3266760, 3402875, 3889000, 4083450, 5444600, 5833500, 6805750, 8166900, 10208625, 11667000, 13611500, 16333800, 20417250, 27223000, 40834500, 81669000]

約数ペア:

[(1, 81669000), (2, 40834500), (3, 27223000), (4, 20417250), (5, 16333800), (6, 13611500), (7, 11667000), (8, 10208625), (10, 8166900), (12, 6805750), (14, 5833500), (15, 5444600), (20, 4083450), (21, 3889000), (24, 3402875), (25, 3266760), (28, 2916750), (30, 2722300), (35, 2333400), (40, 2041725), (42, 1944500), (50, 1633380), (56, 1458375), (60, 1361150), (70, 1166700), (75, 1088920), (84, 972250), (100, 816690), (105, 777800), (120, 680575), (125, 653352), (140, 583350), (150, 544460), (168, 486125), (175, 466680), (200, 408345), (210, 388900), (250, 326676), (280, 291675), (300, 272230), (350, 233340), (375, 217784), (420, 194450), (500, 163338), (525, 155560), (600, 136115), (700, 116670), (750, 108892), (840, 97225), (875, 93336), (1000, 81669), (1050, 77780), (1400, 58335), (1500, 54446), (1750, 46668), (2100, 38890), (2625, 31112), (3000, 27223), (3500, 23334), (3889, 21000), (4200, 19445), (5250, 15556), (7000, 11667), (7778, 10500)]