30721968

素因数分解:

$2^4\times 3^2\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1322

約数の個数: 60

約数和(自身を含む): 86506368

約数和(自身を除く): 55784400

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 191, 382, 573, 764, 1117, 1146, 1528, 1719, 2234, 2292, 3056, 3351, 3438, 4468, 4584, 6702, 6876, 8936, 9168, 10053, 13404, 13752, 17872, 20106, 26808, 27504, 40212, 53616, 80424, 160848, 213347, 426694, 640041, 853388, 1280082, 1706776, 1920123, 2560164, 3413552, 3840246, 5120328, 7680492, 10240656, 15360984, 30721968]

約数ペア:

[(1, 30721968), (2, 15360984), (3, 10240656), (4, 7680492), (6, 5120328), (8, 3840246), (9, 3413552), (12, 2560164), (16, 1920123), (18, 1706776), (24, 1280082), (36, 853388), (48, 640041), (72, 426694), (144, 213347), (191, 160848), (382, 80424), (573, 53616), (764, 40212), (1117, 27504), (1146, 26808), (1528, 20106), (1719, 17872), (2234, 13752), (2292, 13404), (3056, 10053), (3351, 9168), (3438, 8936), (4468, 6876), (4584, 6702)]