68780720

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1511}}^1$

素因数の和:2093

約数の個数: 40

約数和(自身を含む): 160302240

約数和(自身を除く): 91521520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 1511, 2276, 2845, 3022, 4552, 5690, 6044, 7555, 9104, 11380, 12088, 15110, 22760, 24176, 30220, 45520, 60440, 120880, 859759, 1719518, 3439036, 4298795, 6878072, 8597590, 13756144, 17195180, 34390360, 68780720]

約数ペア:

[(1, 68780720), (2, 34390360), (4, 17195180), (5, 13756144), (8, 8597590), (10, 6878072), (16, 4298795), (20, 3439036), (40, 1719518), (80, 859759), (569, 120880), (1138, 60440), (1511, 45520), (2276, 30220), (2845, 24176), (3022, 22760), (4552, 15110), (5690, 12088), (6044, 11380), (7555, 9104)]