80990460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1867}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 246822576

約数和(自身を除く): 165832116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1867, 2169, 2410, 2892, 3615, 3734, 4338, 4820, 5601, 7230, 7468, 8676, 9335, 10845, 11202, 14460, 16803, 18670, 21690, 22404, 28005, 33606, 37340, 43380, 56010, 67212, 84015, 112020, 168030, 336060, 449947, 899894, 1349841, 1799788, 2249735, 2699682, 4049523, 4499470, 5399364, 6749205, 8099046, 8998940, 13498410, 16198092, 20247615, 26996820, 40495230, 80990460]

約数ペア:

[(1, 80990460), (2, 40495230), (3, 26996820), (4, 20247615), (5, 16198092), (6, 13498410), (9, 8998940), (10, 8099046), (12, 6749205), (15, 5399364), (18, 4499470), (20, 4049523), (30, 2699682), (36, 2249735), (45, 1799788), (60, 1349841), (90, 899894), (180, 449947), (241, 336060), (482, 168030), (723, 112020), (964, 84015), (1205, 67212), (1446, 56010), (1867, 43380), (2169, 37340), (2410, 33606), (2892, 28005), (3615, 22404), (3734, 21690), (4338, 18670), (4820, 16803), (5601, 14460), (7230, 11202), (7468, 10845), (8676, 9335)]