15781620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3169}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 44735040

約数和(自身を除く): 28953420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 3169, 4980, 6338, 9507, 12676, 15845, 19014, 31690, 38028, 47535, 63380, 95070, 190140, 263027, 526054, 789081, 1052108, 1315135, 1578162, 2630270, 3156324, 3945405, 5260540, 7890810, 15781620]

約数ペア:

[(1, 15781620), (2, 7890810), (3, 5260540), (4, 3945405), (5, 3156324), (6, 2630270), (10, 1578162), (12, 1315135), (15, 1052108), (20, 789081), (30, 526054), (60, 263027), (83, 190140), (166, 95070), (249, 63380), (332, 47535), (415, 38028), (498, 31690), (830, 19014), (996, 15845), (1245, 12676), (1660, 9507), (2490, 6338), (3169, 4980)]