57489040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 153740160

約数和(自身を除く): 96251120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 409, 502, 560, 818, 1004, 1255, 1636, 1757, 2008, 2045, 2510, 2863, 3272, 3514, 4016, 4090, 5020, 5726, 6544, 7028, 8180, 8785, 10040, 11452, 14056, 14315, 16360, 17570, 20080, 22904, 28112, 28630, 32720, 35140, 45808, 57260, 70280, 102659, 114520, 140560, 205318, 229040, 410636, 513295, 718613, 821272, 1026590, 1437226, 1642544, 2053180, 2874452, 3593065, 4106360, 5748904, 7186130, 8212720, 11497808, 14372260, 28744520, 57489040]

約数ペア:

[(1, 57489040), (2, 28744520), (4, 14372260), (5, 11497808), (7, 8212720), (8, 7186130), (10, 5748904), (14, 4106360), (16, 3593065), (20, 2874452), (28, 2053180), (35, 1642544), (40, 1437226), (56, 1026590), (70, 821272), (80, 718613), (112, 513295), (140, 410636), (251, 229040), (280, 205318), (409, 140560), (502, 114520), (560, 102659), (818, 70280), (1004, 57260), (1255, 45808), (1636, 35140), (1757, 32720), (2008, 28630), (2045, 28112), (2510, 22904), (2863, 20080), (3272, 17570), (3514, 16360), (4016, 14315), (4090, 14056), (5020, 11452), (5726, 10040), (6544, 8785), (7028, 8180)]