71857440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 247665600

約数和(自身を除く): 175808160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 359, 360, 417, 480, 556, 695, 718, 720, 834, 1077, 1112, 1251, 1390, 1436, 1440, 1668, 1795, 2085, 2154, 2224, 2502, 2780, 2872, 3231, 3336, 3590, 4170, 4308, 4448, 5004, 5385, 5560, 5744, 6255, 6462, 6672, 7180, 8340, 8616, 10008, 10770, 11120, 11488, 12510, 12924, 13344, 14360, 16155, 16680, 17232, 20016, 21540, 22240, 25020, 25848, 28720, 32310, 33360, 34464, 40032, 43080, 49901, 50040, 51696, 57440, 64620, 66720, 86160, 99802, 100080, 103392, 129240, 149703, 172320, 199604, 200160, 249505, 258480, 299406, 399208, 449109, 499010, 516960, 598812, 748515, 798416, 898218, 998020, 1197624, 1497030, 1596832, 1796436, 1996040, 2245545, 2395248, 2994060, 3592872, 3992080, 4491090, 4790496, 5988120, 7185744, 7984160, 8982180, 11976240, 14371488, 17964360, 23952480, 35928720, 71857440]

約数ペア:

[(1, 71857440), (2, 35928720), (3, 23952480), (4, 17964360), (5, 14371488), (6, 11976240), (8, 8982180), (9, 7984160), (10, 7185744), (12, 5988120), (15, 4790496), (16, 4491090), (18, 3992080), (20, 3592872), (24, 2994060), (30, 2395248), (32, 2245545), (36, 1996040), (40, 1796436), (45, 1596832), (48, 1497030), (60, 1197624), (72, 998020), (80, 898218), (90, 798416), (96, 748515), (120, 598812), (139, 516960), (144, 499010), (160, 449109), (180, 399208), (240, 299406), (278, 258480), (288, 249505), (359, 200160), (360, 199604), (417, 172320), (480, 149703), (556, 129240), (695, 103392), (718, 100080), (720, 99802), (834, 86160), (1077, 66720), (1112, 64620), (1251, 57440), (1390, 51696), (1436, 50040), (1440, 49901), (1668, 43080), (1795, 40032), (2085, 34464), (2154, 33360), (2224, 32310), (2502, 28720), (2780, 25848), (2872, 25020), (3231, 22240), (3336, 21540), (3590, 20016), (4170, 17232), (4308, 16680), (4448, 16155), (5004, 14360), (5385, 13344), (5560, 12924), (5744, 12510), (6255, 11488), (6462, 11120), (6672, 10770), (7180, 10008), (8340, 8616)]