81848640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{85259}}^1$

素因数の和:85279

約数の個数: 56

約数和(自身を含む): 259872480

約数和(自身を除く): 178023840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 85259, 170518, 255777, 341036, 426295, 511554, 682072, 852590, 1023108, 1278885, 1364144, 1705180, 2046216, 2557770, 2728288, 3410360, 4092432, 5115540, 5456576, 6820720, 8184864, 10231080, 13641440, 16369728, 20462160, 27282880, 40924320, 81848640]

約数ペア:

[(1, 81848640), (2, 40924320), (3, 27282880), (4, 20462160), (5, 16369728), (6, 13641440), (8, 10231080), (10, 8184864), (12, 6820720), (15, 5456576), (16, 5115540), (20, 4092432), (24, 3410360), (30, 2728288), (32, 2557770), (40, 2046216), (48, 1705180), (60, 1364144), (64, 1278885), (80, 1023108), (96, 852590), (120, 682072), (160, 511554), (192, 426295), (240, 341036), (320, 255777), (480, 170518), (960, 85259)]