81686000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 160

約数和(自身を含む): 222842880

約数和(自身を除く): 141156880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 47, 50, 55, 79, 80, 88, 94, 100, 110, 125, 158, 176, 188, 200, 220, 235, 250, 275, 316, 376, 395, 400, 440, 470, 500, 517, 550, 632, 752, 790, 869, 880, 940, 1000, 1034, 1100, 1175, 1264, 1375, 1580, 1738, 1880, 1975, 2000, 2068, 2200, 2350, 2585, 2750, 3160, 3476, 3713, 3760, 3950, 4136, 4345, 4400, 4700, 5170, 5500, 5875, 6320, 6952, 7426, 7900, 8272, 8690, 9400, 9875, 10340, 11000, 11750, 12925, 13904, 14852, 15800, 17380, 18565, 18800, 19750, 20680, 21725, 22000, 23500, 25850, 29704, 31600, 34760, 37130, 39500, 40843, 41360, 43450, 47000, 51700, 59408, 64625, 69520, 74260, 79000, 81686, 86900, 92825, 94000, 103400, 108625, 129250, 148520, 158000, 163372, 173800, 185650, 204215, 206800, 217250, 258500, 297040, 326744, 347600, 371300, 408430, 434500, 464125, 517000, 653488, 742600, 816860, 869000, 928250, 1021075, 1034000, 1485200, 1633720, 1738000, 1856500, 2042150, 3267440, 3713000, 4084300, 5105375, 7426000, 8168600, 10210750, 16337200, 20421500, 40843000, 81686000]

約数ペア:

[(1, 81686000), (2, 40843000), (4, 20421500), (5, 16337200), (8, 10210750), (10, 8168600), (11, 7426000), (16, 5105375), (20, 4084300), (22, 3713000), (25, 3267440), (40, 2042150), (44, 1856500), (47, 1738000), (50, 1633720), (55, 1485200), (79, 1034000), (80, 1021075), (88, 928250), (94, 869000), (100, 816860), (110, 742600), (125, 653488), (158, 517000), (176, 464125), (188, 434500), (200, 408430), (220, 371300), (235, 347600), (250, 326744), (275, 297040), (316, 258500), (376, 217250), (395, 206800), (400, 204215), (440, 185650), (470, 173800), (500, 163372), (517, 158000), (550, 148520), (632, 129250), (752, 108625), (790, 103400), (869, 94000), (880, 92825), (940, 86900), (1000, 81686), (1034, 79000), (1100, 74260), (1175, 69520), (1264, 64625), (1375, 59408), (1580, 51700), (1738, 47000), (1880, 43450), (1975, 41360), (2000, 40843), (2068, 39500), (2200, 37130), (2350, 34760), (2585, 31600), (2750, 29704), (3160, 25850), (3476, 23500), (3713, 22000), (3760, 21725), (3950, 20680), (4136, 19750), (4345, 18800), (4400, 18565), (4700, 17380), (5170, 15800), (5500, 14852), (5875, 13904), (6320, 12925), (6952, 11750), (7426, 11000), (7900, 10340), (8272, 9875), (8690, 9400)]