12638880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 44108064

約数和(自身を除く): 31469184

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, 67, 72, 80, 90, 96, 120, 131, 134, 144, 160, 180, 201, 240, 262, 268, 288, 335, 360, 393, 402, 480, 524, 536, 603, 655, 670, 720, 786, 804, 1005, 1048, 1072, 1179, 1206, 1310, 1340, 1440, 1572, 1608, 1965, 2010, 2096, 2144, 2358, 2412, 2620, 2680, 3015, 3144, 3216, 3930, 4020, 4192, 4716, 4824, 5240, 5360, 5895, 6030, 6288, 6432, 7860, 8040, 8777, 9432, 9648, 10480, 10720, 11790, 12060, 12576, 15720, 16080, 17554, 18864, 19296, 20960, 23580, 24120, 26331, 31440, 32160, 35108, 37728, 43885, 47160, 48240, 52662, 62880, 70216, 78993, 87770, 94320, 96480, 105324, 131655, 140432, 157986, 175540, 188640, 210648, 263310, 280864, 315972, 351080, 394965, 421296, 526620, 631944, 702160, 789930, 842592, 1053240, 1263888, 1404320, 1579860, 2106480, 2527776, 3159720, 4212960, 6319440, 12638880]

約数ペア:

[(1, 12638880), (2, 6319440), (3, 4212960), (4, 3159720), (5, 2527776), (6, 2106480), (8, 1579860), (9, 1404320), (10, 1263888), (12, 1053240), (15, 842592), (16, 789930), (18, 702160), (20, 631944), (24, 526620), (30, 421296), (32, 394965), (36, 351080), (40, 315972), (45, 280864), (48, 263310), (60, 210648), (67, 188640), (72, 175540), (80, 157986), (90, 140432), (96, 131655), (120, 105324), (131, 96480), (134, 94320), (144, 87770), (160, 78993), (180, 70216), (201, 62880), (240, 52662), (262, 48240), (268, 47160), (288, 43885), (335, 37728), (360, 35108), (393, 32160), (402, 31440), (480, 26331), (524, 24120), (536, 23580), (603, 20960), (655, 19296), (670, 18864), (720, 17554), (786, 16080), (804, 15720), (1005, 12576), (1048, 12060), (1072, 11790), (1179, 10720), (1206, 10480), (1310, 9648), (1340, 9432), (1440, 8777), (1572, 8040), (1608, 7860), (1965, 6432), (2010, 6288), (2096, 6030), (2144, 5895), (2358, 5360), (2412, 5240), (2620, 4824), (2680, 4716), (3015, 4192), (3144, 4020), (3216, 3930)]