78920640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 168

約数和(自身を含む): 276179280

約数和(自身を除く): 197258640

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, 64, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 192, 201, 240, 268, 288, 320, 335, 360, 402, 409, 480, 536, 576, 603, 670, 720, 804, 818, 960, 1005, 1072, 1206, 1227, 1340, 1440, 1608, 1636, 2010, 2045, 2144, 2412, 2454, 2680, 2880, 3015, 3216, 3272, 3681, 4020, 4090, 4288, 4824, 4908, 5360, 6030, 6135, 6432, 6544, 7362, 8040, 8180, 9648, 9816, 10720, 12060, 12270, 12864, 13088, 14724, 16080, 16360, 18405, 19296, 19632, 21440, 24120, 24540, 26176, 27403, 29448, 32160, 32720, 36810, 38592, 39264, 48240, 49080, 54806, 58896, 64320, 65440, 73620, 78528, 82209, 96480, 98160, 109612, 117792, 130880, 137015, 147240, 164418, 192960, 196320, 219224, 235584, 246627, 274030, 294480, 328836, 392640, 411045, 438448, 493254, 548060, 588960, 657672, 822090, 876896, 986508, 1096120, 1177920, 1233135, 1315344, 1644180, 1753792, 1973016, 2192240, 2466270, 2630688, 3288360, 3946032, 4384480, 4932540, 5261376, 6576720, 7892064, 8768960, 9865080, 13153440, 15784128, 19730160, 26306880, 39460320, 78920640]

約数ペア:

[(1, 78920640), (2, 39460320), (3, 26306880), (4, 19730160), (5, 15784128), (6, 13153440), (8, 9865080), (9, 8768960), (10, 7892064), (12, 6576720), (15, 5261376), (16, 4932540), (18, 4384480), (20, 3946032), (24, 3288360), (30, 2630688), (32, 2466270), (36, 2192240), (40, 1973016), (45, 1753792), (48, 1644180), (60, 1315344), (64, 1233135), (67, 1177920), (72, 1096120), (80, 986508), (90, 876896), (96, 822090), (120, 657672), (134, 588960), (144, 548060), (160, 493254), (180, 438448), (192, 411045), (201, 392640), (240, 328836), (268, 294480), (288, 274030), (320, 246627), (335, 235584), (360, 219224), (402, 196320), (409, 192960), (480, 164418), (536, 147240), (576, 137015), (603, 130880), (670, 117792), (720, 109612), (804, 98160), (818, 96480), (960, 82209), (1005, 78528), (1072, 73620), (1206, 65440), (1227, 64320), (1340, 58896), (1440, 54806), (1608, 49080), (1636, 48240), (2010, 39264), (2045, 38592), (2144, 36810), (2412, 32720), (2454, 32160), (2680, 29448), (2880, 27403), (3015, 26176), (3216, 24540), (3272, 24120), (3681, 21440), (4020, 19632), (4090, 19296), (4288, 18405), (4824, 16360), (4908, 16080), (5360, 14724), (6030, 13088), (6135, 12864), (6432, 12270), (6544, 12060), (7362, 10720), (8040, 9816), (8180, 9648)]