77930820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39359}}^1$

素因数の和:39385

約数の個数: 72

約数和(自身を含む): 257886720

約数和(自身を除く): 179955900

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, 39359, 78718, 118077, 157436, 196795, 236154, 354231, 393590, 432949, 472308, 590385, 708462, 787180, 865898, 1180770, 1298847, 1416924, 1731796, 1771155, 2164745, 2361540, 2597694, 3542310, 3896541, 4329490, 5195388, 6494235, 7084620, 7793082, 8658980, 12988470, 15586164, 19482705, 25976940, 38965410, 77930820]

約数ペア:

[(1, 77930820), (2, 38965410), (3, 25976940), (4, 19482705), (5, 15586164), (6, 12988470), (9, 8658980), (10, 7793082), (11, 7084620), (12, 6494235), (15, 5195388), (18, 4329490), (20, 3896541), (22, 3542310), (30, 2597694), (33, 2361540), (36, 2164745), (44, 1771155), (45, 1731796), (55, 1416924), (60, 1298847), (66, 1180770), (90, 865898), (99, 787180), (110, 708462), (132, 590385), (165, 472308), (180, 432949), (198, 393590), (220, 354231), (330, 236154), (396, 196795), (495, 157436), (660, 118077), (990, 78718), (1980, 39359)]