80380980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{446561}}^1$

素因数の和:446576

約数の個数: 36

約数和(自身を含む): 243822852

約数和(自身を除く): 163441872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 446561, 893122, 1339683, 1786244, 2232805, 2679366, 4019049, 4465610, 5358732, 6698415, 8038098, 8931220, 13396830, 16076196, 20095245, 26793660, 40190490, 80380980]

約数ペア:

[(1, 80380980), (2, 40190490), (3, 26793660), (4, 20095245), (5, 16076196), (6, 13396830), (9, 8931220), (10, 8038098), (12, 6698415), (15, 5358732), (18, 4465610), (20, 4019049), (30, 2679366), (36, 2232805), (45, 1786244), (60, 1339683), (90, 893122), (180, 446561)]