78940620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39869}}^1$

素因数の和:39895

約数の個数: 72

約数和(自身を含む): 261228240

約数和(自身を除く): 182287620

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, 39869, 79738, 119607, 159476, 199345, 239214, 358821, 398690, 438559, 478428, 598035, 717642, 797380, 877118, 1196070, 1315677, 1435284, 1754236, 1794105, 2192795, 2392140, 2631354, 3588210, 3947031, 4385590, 5262708, 6578385, 7176420, 7894062, 8771180, 13156770, 15788124, 19735155, 26313540, 39470310, 78940620]

約数ペア:

[(1, 78940620), (2, 39470310), (3, 26313540), (4, 19735155), (5, 15788124), (6, 13156770), (9, 8771180), (10, 7894062), (11, 7176420), (12, 6578385), (15, 5262708), (18, 4385590), (20, 3947031), (22, 3588210), (30, 2631354), (33, 2392140), (36, 2192795), (44, 1794105), (45, 1754236), (55, 1435284), (60, 1315677), (66, 1196070), (90, 877118), (99, 797380), (110, 717642), (132, 598035), (165, 478428), (180, 438559), (198, 398690), (220, 358821), (330, 239214), (396, 199345), (495, 159476), (660, 119607), (990, 79738), (1980, 39869)]