78663240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218509}}^1$

素因数の和:218526

約数の個数: 48

約数和(自身を含む): 255656700

約数和(自身を除く): 176993460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218509, 437018, 655527, 874036, 1092545, 1311054, 1748072, 1966581, 2185090, 2622108, 3277635, 3933162, 4370180, 5244216, 6555270, 7866324, 8740360, 9832905, 13110540, 15732648, 19665810, 26221080, 39331620, 78663240]

約数ペア:

[(1, 78663240), (2, 39331620), (3, 26221080), (4, 19665810), (5, 15732648), (6, 13110540), (8, 9832905), (9, 8740360), (10, 7866324), (12, 6555270), (15, 5244216), (18, 4370180), (20, 3933162), (24, 3277635), (30, 2622108), (36, 2185090), (40, 1966581), (45, 1748072), (60, 1311054), (72, 1092545), (90, 874036), (120, 655527), (180, 437018), (360, 218509)]