438641640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1218449}}^1$

素因数の和:1218466

約数の個数: 48

約数和(自身を含む): 1425586500

約数和(自身を除く): 986944860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1218449, 2436898, 3655347, 4873796, 6092245, 7310694, 9747592, 10966041, 12184490, 14621388, 18276735, 21932082, 24368980, 29242776, 36553470, 43864164, 48737960, 54830205, 73106940, 87728328, 109660410, 146213880, 219320820, 438641640]

約数ペア:

[(1, 438641640), (2, 219320820), (3, 146213880), (4, 109660410), (5, 87728328), (6, 73106940), (8, 54830205), (9, 48737960), (10, 43864164), (12, 36553470), (15, 29242776), (18, 24368980), (20, 21932082), (24, 18276735), (30, 14621388), (36, 12184490), (40, 10966041), (45, 9747592), (60, 7310694), (72, 6092245), (90, 4873796), (120, 3655347), (180, 2436898), (360, 1218449)]