66938580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{997}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 203795592

約数和(自身を除く): 136857012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 746, 997, 1119, 1492, 1865, 1994, 2238, 2991, 3357, 3730, 3988, 4476, 4985, 5595, 5982, 6714, 7460, 8973, 9970, 11190, 11964, 13428, 14955, 16785, 17946, 19940, 22380, 29910, 33570, 35892, 44865, 59820, 67140, 89730, 179460, 371881, 743762, 1115643, 1487524, 1859405, 2231286, 3346929, 3718810, 4462572, 5578215, 6693858, 7437620, 11156430, 13387716, 16734645, 22312860, 33469290, 66938580]

約数ペア:

[(1, 66938580), (2, 33469290), (3, 22312860), (4, 16734645), (5, 13387716), (6, 11156430), (9, 7437620), (10, 6693858), (12, 5578215), (15, 4462572), (18, 3718810), (20, 3346929), (30, 2231286), (36, 1859405), (45, 1487524), (60, 1115643), (90, 743762), (180, 371881), (373, 179460), (746, 89730), (997, 67140), (1119, 59820), (1492, 44865), (1865, 35892), (1994, 33570), (2238, 29910), (2991, 22380), (3357, 19940), (3730, 17946), (3988, 16785), (4476, 14955), (4985, 13428), (5595, 11964), (5982, 11190), (6714, 9970), (7460, 8973)]