139616240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 345915360

約数和(自身を除く): 206299120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 251, 272, 340, 409, 502, 680, 818, 1004, 1255, 1360, 1636, 2008, 2045, 2510, 3272, 4016, 4090, 4267, 5020, 6544, 6953, 8180, 8534, 10040, 13906, 16360, 17068, 20080, 21335, 27812, 32720, 34136, 34765, 42670, 55624, 68272, 69530, 85340, 102659, 111248, 139060, 170680, 205318, 278120, 341360, 410636, 513295, 556240, 821272, 1026590, 1642544, 1745203, 2053180, 3490406, 4106360, 6980812, 8212720, 8726015, 13961624, 17452030, 27923248, 34904060, 69808120, 139616240]

約数ペア:

[(1, 139616240), (2, 69808120), (4, 34904060), (5, 27923248), (8, 17452030), (10, 13961624), (16, 8726015), (17, 8212720), (20, 6980812), (34, 4106360), (40, 3490406), (68, 2053180), (80, 1745203), (85, 1642544), (136, 1026590), (170, 821272), (251, 556240), (272, 513295), (340, 410636), (409, 341360), (502, 278120), (680, 205318), (818, 170680), (1004, 139060), (1255, 111248), (1360, 102659), (1636, 85340), (2008, 69530), (2045, 68272), (2510, 55624), (3272, 42670), (4016, 34765), (4090, 34136), (4267, 32720), (5020, 27812), (6544, 21335), (6953, 20080), (8180, 17068), (8534, 16360), (10040, 13906)]