68436420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87739}}^1$

素因数の和:87764

約数の個数: 48

約数和(自身を含む): 206364480

約数和(自身を除く): 137928060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 87739, 175478, 263217, 350956, 438695, 526434, 877390, 1052868, 1140607, 1316085, 1754780, 2281214, 2632170, 3421821, 4562428, 5264340, 5703035, 6843642, 11406070, 13687284, 17109105, 22812140, 34218210, 68436420]

約数ペア:

[(1, 68436420), (2, 34218210), (3, 22812140), (4, 17109105), (5, 13687284), (6, 11406070), (10, 6843642), (12, 5703035), (13, 5264340), (15, 4562428), (20, 3421821), (26, 2632170), (30, 2281214), (39, 1754780), (52, 1316085), (60, 1140607), (65, 1052868), (78, 877390), (130, 526434), (156, 438695), (195, 350956), (260, 263217), (390, 175478), (780, 87739)]