31018320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 105889056

約数和(自身を除く): 74870736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 643, 670, 720, 804, 1005, 1072, 1206, 1286, 1340, 1608, 1929, 2010, 2412, 2572, 2680, 3015, 3215, 3216, 3858, 4020, 4824, 5144, 5360, 5787, 6030, 6430, 7716, 8040, 9645, 9648, 10288, 11574, 12060, 12860, 15432, 16080, 19290, 23148, 24120, 25720, 28935, 30864, 38580, 43081, 46296, 48240, 51440, 57870, 77160, 86162, 92592, 115740, 129243, 154320, 172324, 215405, 231480, 258486, 344648, 387729, 430810, 462960, 516972, 646215, 689296, 775458, 861620, 1033944, 1292430, 1550916, 1723240, 1938645, 2067888, 2584860, 3101832, 3446480, 3877290, 5169720, 6203664, 7754580, 10339440, 15509160, 31018320]

約数ペア:

[(1, 31018320), (2, 15509160), (3, 10339440), (4, 7754580), (5, 6203664), (6, 5169720), (8, 3877290), (9, 3446480), (10, 3101832), (12, 2584860), (15, 2067888), (16, 1938645), (18, 1723240), (20, 1550916), (24, 1292430), (30, 1033944), (36, 861620), (40, 775458), (45, 689296), (48, 646215), (60, 516972), (67, 462960), (72, 430810), (80, 387729), (90, 344648), (120, 258486), (134, 231480), (144, 215405), (180, 172324), (201, 154320), (240, 129243), (268, 115740), (335, 92592), (360, 86162), (402, 77160), (536, 57870), (603, 51440), (643, 48240), (670, 46296), (720, 43081), (804, 38580), (1005, 30864), (1072, 28935), (1206, 25720), (1286, 24120), (1340, 23148), (1608, 19290), (1929, 16080), (2010, 15432), (2412, 12860), (2572, 12060), (2680, 11574), (3015, 10288), (3215, 9648), (3216, 9645), (3858, 8040), (4020, 7716), (4824, 6430), (5144, 6030), (5360, 5787)]