78667260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187303}}^1$

素因数の和:187322

約数の個数: 48

約数和(自身を含む): 251736576

約数和(自身を除く): 173069316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187303, 374606, 561909, 749212, 936515, 1123818, 1311121, 1873030, 2247636, 2622242, 2809545, 3746060, 3933363, 5244484, 5619090, 6555605, 7866726, 11238180, 13111210, 15733452, 19666815, 26222420, 39333630, 78667260]

約数ペア:

[(1, 78667260), (2, 39333630), (3, 26222420), (4, 19666815), (5, 15733452), (6, 13111210), (7, 11238180), (10, 7866726), (12, 6555605), (14, 5619090), (15, 5244484), (20, 3933363), (21, 3746060), (28, 2809545), (30, 2622242), (35, 2247636), (42, 1873030), (60, 1311121), (70, 1123818), (84, 936515), (105, 749212), (140, 561909), (210, 374606), (420, 187303)]