61200640

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 148087800

約数和(自身を除く): 86887160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 349, 548, 640, 685, 698, 1096, 1280, 1370, 1396, 1745, 2192, 2740, 2792, 3490, 4384, 5480, 5584, 6980, 8768, 10960, 11168, 13960, 17536, 21920, 22336, 27920, 35072, 43840, 44672, 47813, 55840, 87680, 89344, 95626, 111680, 175360, 191252, 223360, 239065, 382504, 446720, 478130, 765008, 956260, 1530016, 1912520, 3060032, 3825040, 6120064, 7650080, 12240128, 15300160, 30600320, 61200640]

約数ペア:

[(1, 61200640), (2, 30600320), (4, 15300160), (5, 12240128), (8, 7650080), (10, 6120064), (16, 3825040), (20, 3060032), (32, 1912520), (40, 1530016), (64, 956260), (80, 765008), (128, 478130), (137, 446720), (160, 382504), (256, 239065), (274, 223360), (320, 191252), (349, 175360), (548, 111680), (640, 95626), (685, 89344), (698, 87680), (1096, 55840), (1280, 47813), (1370, 44672), (1396, 43840), (1745, 35072), (2192, 27920), (2740, 22336), (2792, 21920), (3490, 17536), (4384, 13960), (5480, 11168), (5584, 10960), (6980, 8768)]