64070820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32359}}^1$

素因数の和:32385

約数の個数: 72

約数和(自身を含む): 212022720

約数和(自身を除く): 147951900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 32359, 64718, 97077, 129436, 161795, 194154, 291231, 323590, 355949, 388308, 485385, 582462, 647180, 711898, 970770, 1067847, 1164924, 1423796, 1456155, 1779745, 1941540, 2135694, 2912310, 3203541, 3559490, 4271388, 5339235, 5824620, 6407082, 7118980, 10678470, 12814164, 16017705, 21356940, 32035410, 64070820]

約数ペア:

[(1, 64070820), (2, 32035410), (3, 21356940), (4, 16017705), (5, 12814164), (6, 10678470), (9, 7118980), (10, 6407082), (11, 5824620), (12, 5339235), (15, 4271388), (18, 3559490), (20, 3203541), (22, 2912310), (30, 2135694), (33, 1941540), (36, 1779745), (44, 1456155), (45, 1423796), (55, 1164924), (60, 1067847), (66, 970770), (90, 711898), (99, 647180), (110, 582462), (132, 485385), (165, 388308), (180, 355949), (198, 323590), (220, 291231), (330, 194154), (396, 161795), (495, 129436), (660, 97077), (990, 64718), (1980, 32359)]