81605040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30911}}^1$

素因数の和:30938

約数の個数: 80

約数和(自身を含む): 275982336

約数和(自身を除く): 194377296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 30911, 61822, 92733, 123644, 154555, 185466, 247288, 309110, 340021, 370932, 463665, 494576, 618220, 680042, 741864, 927330, 1020063, 1236440, 1360084, 1483728, 1700105, 1854660, 2040126, 2472880, 2720168, 3400210, 3709320, 4080252, 5100315, 5440336, 6800420, 7418640, 8160504, 10200630, 13600840, 16321008, 20401260, 27201680, 40802520, 81605040]

約数ペア:

[(1, 81605040), (2, 40802520), (3, 27201680), (4, 20401260), (5, 16321008), (6, 13600840), (8, 10200630), (10, 8160504), (11, 7418640), (12, 6800420), (15, 5440336), (16, 5100315), (20, 4080252), (22, 3709320), (24, 3400210), (30, 2720168), (33, 2472880), (40, 2040126), (44, 1854660), (48, 1700105), (55, 1483728), (60, 1360084), (66, 1236440), (80, 1020063), (88, 927330), (110, 741864), (120, 680042), (132, 618220), (165, 494576), (176, 463665), (220, 370932), (240, 340021), (264, 309110), (330, 247288), (440, 185466), (528, 154555), (660, 123644), (880, 92733), (1320, 61822), (2640, 30911)]