256748400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{23773}}^1$

素因数の和:23800

約数の個数: 120

約数和(自身を含む): 913872560

約数和(自身を除く): 657124160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 2160, 2700, 3600, 5400, 10800, 23773, 47546, 71319, 95092, 118865, 142638, 190184, 213957, 237730, 285276, 356595, 380368, 427914, 475460, 570552, 594325, 641871, 713190, 855828, 950920, 1069785, 1141104, 1188650, 1283742, 1426380, 1711656, 1782975, 1901840, 2139570, 2377300, 2567484, 2852760, 3209355, 3423312, 3565950, 4279140, 4754600, 5134968, 5348925, 5705520, 6418710, 7131900, 8558280, 9509200, 10269936, 10697850, 12837420, 14263800, 16046775, 17116560, 21395700, 25674840, 28527600, 32093550, 42791400, 51349680, 64187100, 85582800, 128374200, 256748400]

約数ペア:

[(1, 256748400), (2, 128374200), (3, 85582800), (4, 64187100), (5, 51349680), (6, 42791400), (8, 32093550), (9, 28527600), (10, 25674840), (12, 21395700), (15, 17116560), (16, 16046775), (18, 14263800), (20, 12837420), (24, 10697850), (25, 10269936), (27, 9509200), (30, 8558280), (36, 7131900), (40, 6418710), (45, 5705520), (48, 5348925), (50, 5134968), (54, 4754600), (60, 4279140), (72, 3565950), (75, 3423312), (80, 3209355), (90, 2852760), (100, 2567484), (108, 2377300), (120, 2139570), (135, 1901840), (144, 1782975), (150, 1711656), (180, 1426380), (200, 1283742), (216, 1188650), (225, 1141104), (240, 1069785), (270, 950920), (300, 855828), (360, 713190), (400, 641871), (432, 594325), (450, 570552), (540, 475460), (600, 427914), (675, 380368), (720, 356595), (900, 285276), (1080, 237730), (1200, 213957), (1350, 190184), (1800, 142638), (2160, 118865), (2700, 95092), (3600, 71319), (5400, 47546), (10800, 23773)]