80729000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 212284800

約数和(自身を除く): 131555800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 82, 88, 100, 110, 125, 164, 179, 200, 205, 220, 250, 275, 328, 358, 410, 440, 451, 500, 550, 716, 820, 895, 902, 1000, 1025, 1100, 1375, 1432, 1640, 1790, 1804, 1969, 2050, 2200, 2255, 2750, 3580, 3608, 3938, 4100, 4475, 4510, 5125, 5500, 7160, 7339, 7876, 8200, 8950, 9020, 9845, 10250, 11000, 11275, 14678, 15752, 17900, 18040, 19690, 20500, 22375, 22550, 29356, 35800, 36695, 39380, 41000, 44750, 45100, 49225, 56375, 58712, 73390, 78760, 80729, 89500, 90200, 98450, 112750, 146780, 161458, 179000, 183475, 196900, 225500, 246125, 293560, 322916, 366950, 393800, 403645, 451000, 492250, 645832, 733900, 807290, 917375, 984500, 1467800, 1614580, 1834750, 1969000, 2018225, 3229160, 3669500, 4036450, 7339000, 8072900, 10091125, 16145800, 20182250, 40364500, 80729000]

約数ペア:

[(1, 80729000), (2, 40364500), (4, 20182250), (5, 16145800), (8, 10091125), (10, 8072900), (11, 7339000), (20, 4036450), (22, 3669500), (25, 3229160), (40, 2018225), (41, 1969000), (44, 1834750), (50, 1614580), (55, 1467800), (82, 984500), (88, 917375), (100, 807290), (110, 733900), (125, 645832), (164, 492250), (179, 451000), (200, 403645), (205, 393800), (220, 366950), (250, 322916), (275, 293560), (328, 246125), (358, 225500), (410, 196900), (440, 183475), (451, 179000), (500, 161458), (550, 146780), (716, 112750), (820, 98450), (895, 90200), (902, 89500), (1000, 80729), (1025, 78760), (1100, 73390), (1375, 58712), (1432, 56375), (1640, 49225), (1790, 45100), (1804, 44750), (1969, 41000), (2050, 39380), (2200, 36695), (2255, 35800), (2750, 29356), (3580, 22550), (3608, 22375), (3938, 20500), (4100, 19690), (4475, 18040), (4510, 17900), (5125, 15752), (5500, 14678), (7160, 11275), (7339, 11000), (7876, 10250), (8200, 9845), (8950, 9020)]