28684980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159361}}^1$

素因数の和:159376

約数の個数: 36

約数和(自身を含む): 87011652

約数和(自身を除く): 58326672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159361, 318722, 478083, 637444, 796805, 956166, 1434249, 1593610, 1912332, 2390415, 2868498, 3187220, 4780830, 5736996, 7171245, 9561660, 14342490, 28684980]

約数ペア:

[(1, 28684980), (2, 14342490), (3, 9561660), (4, 7171245), (5, 5736996), (6, 4780830), (9, 3187220), (10, 2868498), (12, 2390415), (15, 1912332), (18, 1593610), (20, 1434249), (30, 956166), (36, 796805), (45, 637444), (60, 478083), (90, 318722), (180, 159361)]