165855420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1433}}^1$

素因数の和:2091

約数の個数: 72

約数和(自身を含む): 504228816

約数和(自身を除く): 338373396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 1286, 1433, 1929, 2572, 2866, 3215, 3858, 4299, 5732, 5787, 6430, 7165, 7716, 8598, 9645, 11574, 12860, 12897, 14330, 17196, 19290, 21495, 23148, 25794, 28660, 28935, 38580, 42990, 51588, 57870, 64485, 85980, 115740, 128970, 257940, 921419, 1842838, 2764257, 3685676, 4607095, 5528514, 8292771, 9214190, 11057028, 13821285, 16585542, 18428380, 27642570, 33171084, 41463855, 55285140, 82927710, 165855420]

約数ペア:

[(1, 165855420), (2, 82927710), (3, 55285140), (4, 41463855), (5, 33171084), (6, 27642570), (9, 18428380), (10, 16585542), (12, 13821285), (15, 11057028), (18, 9214190), (20, 8292771), (30, 5528514), (36, 4607095), (45, 3685676), (60, 2764257), (90, 1842838), (180, 921419), (643, 257940), (1286, 128970), (1433, 115740), (1929, 85980), (2572, 64485), (2866, 57870), (3215, 51588), (3858, 42990), (4299, 38580), (5732, 28935), (5787, 28660), (6430, 25794), (7165, 23148), (7716, 21495), (8598, 19290), (9645, 17196), (11574, 14330), (12860, 12897)]