68452720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 182988288

約数和(自身を除く): 114535568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 487, 502, 560, 974, 1004, 1255, 1757, 1948, 2008, 2435, 2510, 3409, 3514, 3896, 4016, 4870, 5020, 6818, 7028, 7792, 8785, 9740, 10040, 13636, 14056, 17045, 17570, 19480, 20080, 27272, 28112, 34090, 35140, 38960, 54544, 68180, 70280, 122237, 136360, 140560, 244474, 272720, 488948, 611185, 855659, 977896, 1222370, 1711318, 1955792, 2444740, 3422636, 4278295, 4889480, 6845272, 8556590, 9778960, 13690544, 17113180, 34226360, 68452720]

約数ペア:

[(1, 68452720), (2, 34226360), (4, 17113180), (5, 13690544), (7, 9778960), (8, 8556590), (10, 6845272), (14, 4889480), (16, 4278295), (20, 3422636), (28, 2444740), (35, 1955792), (40, 1711318), (56, 1222370), (70, 977896), (80, 855659), (112, 611185), (140, 488948), (251, 272720), (280, 244474), (487, 140560), (502, 136360), (560, 122237), (974, 70280), (1004, 68180), (1255, 54544), (1757, 38960), (1948, 35140), (2008, 34090), (2435, 28112), (2510, 27272), (3409, 20080), (3514, 19480), (3896, 17570), (4016, 17045), (4870, 14056), (5020, 13636), (6818, 10040), (7028, 9740), (7792, 8785)]