221858560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2251}}^1$

素因数の和:2290

約数の個数: 144

約数和(自身を含む): 662844672

約数和(自身を除く): 440986112

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2251, 2464, 2816, 3080, 3520, 4480, 4502, 4928, 6160, 7040, 8960, 9004, 9856, 11255, 12320, 14080, 15757, 18008, 19712, 22510, 24640, 24761, 31514, 36016, 45020, 49280, 49522, 63028, 72032, 78785, 90040, 98560, 99044, 123805, 126056, 144064, 157570, 173327, 180080, 198088, 247610, 252112, 288128, 315140, 346654, 360160, 396176, 495220, 504224, 576256, 630280, 693308, 720320, 792352, 866635, 990440, 1008448, 1260560, 1386616, 1440640, 1584704, 1733270, 1980880, 2016896, 2521120, 2773232, 2881280, 3169408, 3466540, 3961760, 4033792, 5042240, 5546464, 6338816, 6933080, 7923520, 10084480, 11092928, 13866160, 15847040, 20168960, 22185856, 27732320, 31694080, 44371712, 55464640, 110929280, 221858560]

約数ペア:

[(1, 221858560), (2, 110929280), (4, 55464640), (5, 44371712), (7, 31694080), (8, 27732320), (10, 22185856), (11, 20168960), (14, 15847040), (16, 13866160), (20, 11092928), (22, 10084480), (28, 7923520), (32, 6933080), (35, 6338816), (40, 5546464), (44, 5042240), (55, 4033792), (56, 3961760), (64, 3466540), (70, 3169408), (77, 2881280), (80, 2773232), (88, 2521120), (110, 2016896), (112, 1980880), (128, 1733270), (140, 1584704), (154, 1440640), (160, 1386616), (176, 1260560), (220, 1008448), (224, 990440), (256, 866635), (280, 792352), (308, 720320), (320, 693308), (352, 630280), (385, 576256), (440, 504224), (448, 495220), (560, 396176), (616, 360160), (640, 346654), (704, 315140), (770, 288128), (880, 252112), (896, 247610), (1120, 198088), (1232, 180080), (1280, 173327), (1408, 157570), (1540, 144064), (1760, 126056), (1792, 123805), (2240, 99044), (2251, 98560), (2464, 90040), (2816, 78785), (3080, 72032), (3520, 63028), (4480, 49522), (4502, 49280), (4928, 45020), (6160, 36016), (7040, 31514), (8960, 24761), (9004, 24640), (9856, 22510), (11255, 19712), (12320, 18008), (14080, 15757)]