68558640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{285661}}^1$

素因数の和:285677

約数の個数: 40

約数和(自身を含む): 212532528

約数和(自身を除く): 143973888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 285661, 571322, 856983, 1142644, 1428305, 1713966, 2285288, 2856610, 3427932, 4284915, 4570576, 5713220, 6855864, 8569830, 11426440, 13711728, 17139660, 22852880, 34279320, 68558640]

約数ペア:

[(1, 68558640), (2, 34279320), (3, 22852880), (4, 17139660), (5, 13711728), (6, 11426440), (8, 8569830), (10, 6855864), (12, 5713220), (15, 4570576), (16, 4284915), (20, 3427932), (24, 2856610), (30, 2285288), (40, 1713966), (48, 1428305), (60, 1142644), (80, 856983), (120, 571322), (240, 285661)]