2561200560

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{131749}}^1$

素因数の和:131777

約数の個数: 120

約数和(自身を含む): 8920002000

約数和(自身を除く): 6358801440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 131749, 263498, 395247, 526996, 658745, 790494, 1053992, 1185741, 1317490, 1580988, 1976235, 2107984, 2371482, 2634980, 3161976, 3557223, 3952470, 4742964, 5269960, 5928705, 6323952, 7114446, 7904940, 9485928, 10539920, 10671669, 11857410, 14228892, 15809880, 17786115, 18971856, 21343338, 23714820, 28457784, 31619760, 32015007, 35572230, 42686676, 47429640, 53358345, 56915568, 64030014, 71144460, 85373352, 94859280, 106716690, 128060028, 142288920, 160075035, 170746704, 213433380, 256120056, 284577840, 320150070, 426866760, 512240112, 640300140, 853733520, 1280600280, 2561200560]

約数ペア:

[(1, 2561200560), (2, 1280600280), (3, 853733520), (4, 640300140), (5, 512240112), (6, 426866760), (8, 320150070), (9, 284577840), (10, 256120056), (12, 213433380), (15, 170746704), (16, 160075035), (18, 142288920), (20, 128060028), (24, 106716690), (27, 94859280), (30, 85373352), (36, 71144460), (40, 64030014), (45, 56915568), (48, 53358345), (54, 47429640), (60, 42686676), (72, 35572230), (80, 32015007), (81, 31619760), (90, 28457784), (108, 23714820), (120, 21343338), (135, 18971856), (144, 17786115), (162, 15809880), (180, 14228892), (216, 11857410), (240, 10671669), (243, 10539920), (270, 9485928), (324, 7904940), (360, 7114446), (405, 6323952), (432, 5928705), (486, 5269960), (540, 4742964), (648, 3952470), (720, 3557223), (810, 3161976), (972, 2634980), (1080, 2371482), (1215, 2107984), (1296, 1976235), (1620, 1580988), (1944, 1317490), (2160, 1185741), (2430, 1053992), (3240, 790494), (3888, 658745), (4860, 526996), (6480, 395247), (9720, 263498), (19440, 131749)]