12878640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 44723328

約数和(自身を除く): 31844688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 577, 620, 720, 744, 930, 1116, 1154, 1240, 1395, 1488, 1731, 1860, 2232, 2308, 2480, 2790, 2885, 3462, 3720, 4464, 4616, 5193, 5580, 5770, 6924, 7440, 8655, 9232, 10386, 11160, 11540, 13848, 17310, 17887, 20772, 22320, 23080, 25965, 27696, 34620, 35774, 41544, 46160, 51930, 53661, 69240, 71548, 83088, 89435, 103860, 107322, 138480, 143096, 160983, 178870, 207720, 214644, 268305, 286192, 321966, 357740, 415440, 429288, 536610, 643932, 715480, 804915, 858576, 1073220, 1287864, 1430960, 1609830, 2146440, 2575728, 3219660, 4292880, 6439320, 12878640]

約数ペア:

[(1, 12878640), (2, 6439320), (3, 4292880), (4, 3219660), (5, 2575728), (6, 2146440), (8, 1609830), (9, 1430960), (10, 1287864), (12, 1073220), (15, 858576), (16, 804915), (18, 715480), (20, 643932), (24, 536610), (30, 429288), (31, 415440), (36, 357740), (40, 321966), (45, 286192), (48, 268305), (60, 214644), (62, 207720), (72, 178870), (80, 160983), (90, 143096), (93, 138480), (120, 107322), (124, 103860), (144, 89435), (155, 83088), (180, 71548), (186, 69240), (240, 53661), (248, 51930), (279, 46160), (310, 41544), (360, 35774), (372, 34620), (465, 27696), (496, 25965), (558, 23080), (577, 22320), (620, 20772), (720, 17887), (744, 17310), (930, 13848), (1116, 11540), (1154, 11160), (1240, 10386), (1395, 9232), (1488, 8655), (1731, 7440), (1860, 6924), (2232, 5770), (2308, 5580), (2480, 5193), (2790, 4616), (2885, 4464), (3462, 3720)]