64351440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 120

約数和(自身を含む): 218006880

約数和(自身を除く): 153655440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 643, 695, 720, 834, 1112, 1251, 1286, 1390, 1668, 1929, 2085, 2224, 2502, 2572, 2780, 3215, 3336, 3858, 4170, 5004, 5144, 5560, 5787, 6255, 6430, 6672, 7716, 8340, 9645, 10008, 10288, 11120, 11574, 12510, 12860, 15432, 16680, 19290, 20016, 23148, 25020, 25720, 28935, 30864, 33360, 38580, 46296, 50040, 51440, 57870, 77160, 89377, 92592, 100080, 115740, 154320, 178754, 231480, 268131, 357508, 446885, 462960, 536262, 715016, 804393, 893770, 1072524, 1340655, 1430032, 1608786, 1787540, 2145048, 2681310, 3217572, 3575080, 4021965, 4290096, 5362620, 6435144, 7150160, 8043930, 10725240, 12870288, 16087860, 21450480, 32175720, 64351440]

約数ペア:

[(1, 64351440), (2, 32175720), (3, 21450480), (4, 16087860), (5, 12870288), (6, 10725240), (8, 8043930), (9, 7150160), (10, 6435144), (12, 5362620), (15, 4290096), (16, 4021965), (18, 3575080), (20, 3217572), (24, 2681310), (30, 2145048), (36, 1787540), (40, 1608786), (45, 1430032), (48, 1340655), (60, 1072524), (72, 893770), (80, 804393), (90, 715016), (120, 536262), (139, 462960), (144, 446885), (180, 357508), (240, 268131), (278, 231480), (360, 178754), (417, 154320), (556, 115740), (643, 100080), (695, 92592), (720, 89377), (834, 77160), (1112, 57870), (1251, 51440), (1286, 50040), (1390, 46296), (1668, 38580), (1929, 33360), (2085, 30864), (2224, 28935), (2502, 25720), (2572, 25020), (2780, 23148), (3215, 20016), (3336, 19290), (3858, 16680), (4170, 15432), (5004, 12860), (5144, 12510), (5560, 11574), (5787, 11120), (6255, 10288), (6430, 10008), (6672, 9645), (7716, 8340)]