641640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5347}}^1$

素因数の和:5361

約数の個数: 32

約数和(自身を含む): 1925280

約数和(自身を除く): 1283640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5347, 10694, 16041, 21388, 26735, 32082, 42776, 53470, 64164, 80205, 106940, 128328, 160410, 213880, 320820, 641640]

約数ペア:

[(1, 641640), (2, 320820), (3, 213880), (4, 160410), (5, 128328), (6, 106940), (8, 80205), (10, 64164), (12, 53470), (15, 42776), (20, 32082), (24, 26735), (30, 21388), (40, 16041), (60, 10694), (120, 5347)]