81089280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{7039}}^1$

素因数の和:7066

約数の個数: 108

約数和(自身を含む): 280600320

約数和(自身を除く): 199511040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 7039, 11520, 14078, 21117, 28156, 35195, 42234, 56312, 63351, 70390, 84468, 105585, 112624, 126702, 140780, 168936, 211170, 225248, 253404, 281560, 316755, 337872, 422340, 450496, 506808, 563120, 633510, 675744, 844680, 900992, 1013616, 1126240, 1267020, 1351488, 1689360, 1801984, 2027232, 2252480, 2534040, 2702976, 3378720, 4054464, 4504960, 5068080, 5405952, 6757440, 8108928, 9009920, 10136160, 13514880, 16217856, 20272320, 27029760, 40544640, 81089280]

約数ペア:

[(1, 81089280), (2, 40544640), (3, 27029760), (4, 20272320), (5, 16217856), (6, 13514880), (8, 10136160), (9, 9009920), (10, 8108928), (12, 6757440), (15, 5405952), (16, 5068080), (18, 4504960), (20, 4054464), (24, 3378720), (30, 2702976), (32, 2534040), (36, 2252480), (40, 2027232), (45, 1801984), (48, 1689360), (60, 1351488), (64, 1267020), (72, 1126240), (80, 1013616), (90, 900992), (96, 844680), (120, 675744), (128, 633510), (144, 563120), (160, 506808), (180, 450496), (192, 422340), (240, 337872), (256, 316755), (288, 281560), (320, 253404), (360, 225248), (384, 211170), (480, 168936), (576, 140780), (640, 126702), (720, 112624), (768, 105585), (960, 84468), (1152, 70390), (1280, 63351), (1440, 56312), (1920, 42234), (2304, 35195), (2880, 28156), (3840, 21117), (5760, 14078), (7039, 11520)]