65751680

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 159511680

約数和(自身を除く): 93760000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 1447, 2272, 2840, 2894, 4544, 5680, 5788, 7235, 9088, 11360, 11576, 14470, 22720, 23152, 28940, 45440, 46304, 57880, 92608, 102737, 115760, 185216, 205474, 231520, 410948, 463040, 513685, 821896, 926080, 1027370, 1643792, 2054740, 3287584, 4109480, 6575168, 8218960, 13150336, 16437920, 32875840, 65751680]

約数ペア:

[(1, 65751680), (2, 32875840), (4, 16437920), (5, 13150336), (8, 8218960), (10, 6575168), (16, 4109480), (20, 3287584), (32, 2054740), (40, 1643792), (64, 1027370), (71, 926080), (80, 821896), (128, 513685), (142, 463040), (160, 410948), (284, 231520), (320, 205474), (355, 185216), (568, 115760), (640, 102737), (710, 92608), (1136, 57880), (1420, 46304), (1447, 45440), (2272, 28940), (2840, 23152), (2894, 22720), (4544, 14470), (5680, 11576), (5788, 11360), (7235, 9088)]