72464000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{647}}^1$

素因数の和:683

約数の個数: 128

約数和(自身を含む): 206219520

約数和(自身を除く): 133755520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 640, 647, 700, 800, 875, 896, 1000, 1120, 1294, 1400, 1600, 1750, 2000, 2240, 2588, 2800, 3200, 3235, 3500, 4000, 4480, 4529, 5176, 5600, 6470, 7000, 8000, 9058, 10352, 11200, 12940, 14000, 16000, 16175, 18116, 20704, 22400, 22645, 25880, 28000, 32350, 36232, 41408, 45290, 51760, 56000, 64700, 72464, 80875, 82816, 90580, 103520, 112000, 113225, 129400, 144928, 161750, 181160, 207040, 226450, 258800, 289856, 323500, 362320, 414080, 452900, 517600, 566125, 579712, 647000, 724640, 905800, 1035200, 1132250, 1294000, 1449280, 1811600, 2070400, 2264500, 2588000, 2898560, 3623200, 4529000, 5176000, 7246400, 9058000, 10352000, 14492800, 18116000, 36232000, 72464000]

約数ペア:

[(1, 72464000), (2, 36232000), (4, 18116000), (5, 14492800), (7, 10352000), (8, 9058000), (10, 7246400), (14, 5176000), (16, 4529000), (20, 3623200), (25, 2898560), (28, 2588000), (32, 2264500), (35, 2070400), (40, 1811600), (50, 1449280), (56, 1294000), (64, 1132250), (70, 1035200), (80, 905800), (100, 724640), (112, 647000), (125, 579712), (128, 566125), (140, 517600), (160, 452900), (175, 414080), (200, 362320), (224, 323500), (250, 289856), (280, 258800), (320, 226450), (350, 207040), (400, 181160), (448, 161750), (500, 144928), (560, 129400), (640, 113225), (647, 112000), (700, 103520), (800, 90580), (875, 82816), (896, 80875), (1000, 72464), (1120, 64700), (1294, 56000), (1400, 51760), (1600, 45290), (1750, 41408), (2000, 36232), (2240, 32350), (2588, 28000), (2800, 25880), (3200, 22645), (3235, 22400), (3500, 20704), (4000, 18116), (4480, 16175), (4529, 16000), (5176, 14000), (5600, 12940), (6470, 11200), (7000, 10352), (8000, 9058)]