78179160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 243936000

約数和(自身を除く): 165756840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 109, 120, 129, 139, 172, 215, 218, 258, 278, 327, 344, 417, 430, 436, 516, 545, 556, 645, 654, 695, 834, 860, 872, 1032, 1090, 1112, 1290, 1308, 1390, 1635, 1668, 1720, 2085, 2180, 2580, 2616, 2780, 3270, 3336, 4170, 4360, 4687, 5160, 5560, 5977, 6540, 8340, 9374, 11954, 13080, 14061, 15151, 16680, 17931, 18748, 23435, 23908, 28122, 29885, 30302, 35862, 37496, 45453, 46870, 47816, 56244, 59770, 60604, 70305, 71724, 75755, 89655, 90906, 93740, 112488, 119540, 121208, 140610, 143448, 151510, 179310, 181812, 187480, 227265, 239080, 281220, 303020, 358620, 363624, 454530, 562440, 606040, 651493, 717240, 909060, 1302986, 1818120, 1954479, 2605972, 3257465, 3908958, 5211944, 6514930, 7817916, 9772395, 13029860, 15635832, 19544790, 26059720, 39089580, 78179160]

約数ペア:

[(1, 78179160), (2, 39089580), (3, 26059720), (4, 19544790), (5, 15635832), (6, 13029860), (8, 9772395), (10, 7817916), (12, 6514930), (15, 5211944), (20, 3908958), (24, 3257465), (30, 2605972), (40, 1954479), (43, 1818120), (60, 1302986), (86, 909060), (109, 717240), (120, 651493), (129, 606040), (139, 562440), (172, 454530), (215, 363624), (218, 358620), (258, 303020), (278, 281220), (327, 239080), (344, 227265), (417, 187480), (430, 181812), (436, 179310), (516, 151510), (545, 143448), (556, 140610), (645, 121208), (654, 119540), (695, 112488), (834, 93740), (860, 90906), (872, 89655), (1032, 75755), (1090, 71724), (1112, 70305), (1290, 60604), (1308, 59770), (1390, 56244), (1635, 47816), (1668, 46870), (1720, 45453), (2085, 37496), (2180, 35862), (2580, 30302), (2616, 29885), (2780, 28122), (3270, 23908), (3336, 23435), (4170, 18748), (4360, 17931), (4687, 16680), (5160, 15151), (5560, 14061), (5977, 13080), (6540, 11954), (8340, 9374)]