218679660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2221}}^1$

素因数の和:2783

約数の個数: 72

約数和(自身を含む): 664840176

約数和(自身を除く): 446160516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 1094, 1641, 2188, 2221, 2735, 3282, 4442, 4923, 5470, 6564, 6663, 8205, 8884, 9846, 10940, 11105, 13326, 16410, 19692, 19989, 22210, 24615, 26652, 32820, 33315, 39978, 44420, 49230, 66630, 79956, 98460, 99945, 133260, 199890, 399780, 1214887, 2429774, 3644661, 4859548, 6074435, 7289322, 10933983, 12148870, 14578644, 18223305, 21867966, 24297740, 36446610, 43735932, 54669915, 72893220, 109339830, 218679660]

約数ペア:

[(1, 218679660), (2, 109339830), (3, 72893220), (4, 54669915), (5, 43735932), (6, 36446610), (9, 24297740), (10, 21867966), (12, 18223305), (15, 14578644), (18, 12148870), (20, 10933983), (30, 7289322), (36, 6074435), (45, 4859548), (60, 3644661), (90, 2429774), (180, 1214887), (547, 399780), (1094, 199890), (1641, 133260), (2188, 99945), (2221, 98460), (2735, 79956), (3282, 66630), (4442, 49230), (4923, 44420), (5470, 39978), (6564, 33315), (6663, 32820), (8205, 26652), (8884, 24615), (9846, 22210), (10940, 19989), (11105, 19692), (13326, 16410)]