81676160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7507}}^1$

素因数の和:7543

約数の個数: 64

約数和(自身を含む): 206770320

約数和(自身を除く): 125094160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 7507, 10880, 15014, 30028, 37535, 60056, 75070, 120112, 127619, 150140, 240224, 255238, 300280, 480448, 510476, 600560, 638095, 960896, 1020952, 1201120, 1276190, 2041904, 2402240, 2552380, 4083808, 4804480, 5104760, 8167616, 10209520, 16335232, 20419040, 40838080, 81676160]

約数ペア:

[(1, 81676160), (2, 40838080), (4, 20419040), (5, 16335232), (8, 10209520), (10, 8167616), (16, 5104760), (17, 4804480), (20, 4083808), (32, 2552380), (34, 2402240), (40, 2041904), (64, 1276190), (68, 1201120), (80, 1020952), (85, 960896), (128, 638095), (136, 600560), (160, 510476), (170, 480448), (272, 300280), (320, 255238), (340, 240224), (544, 150140), (640, 127619), (680, 120112), (1088, 75070), (1360, 60056), (2176, 37535), (2720, 30028), (5440, 15014), (7507, 10880)]