13420980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{74561}}^1$

素因数の和:74576

約数の個数: 36

約数和(自身を含む): 40710852

約数和(自身を除く): 27289872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 74561, 149122, 223683, 298244, 372805, 447366, 671049, 745610, 894732, 1118415, 1342098, 1491220, 2236830, 2684196, 3355245, 4473660, 6710490, 13420980]

約数ペア:

[(1, 13420980), (2, 6710490), (3, 4473660), (4, 3355245), (5, 2684196), (6, 2236830), (9, 1491220), (10, 1342098), (12, 1118415), (15, 894732), (18, 745610), (20, 671049), (30, 447366), (36, 372805), (45, 298244), (60, 223683), (90, 149122), (180, 74561)]