8121840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 25795968

約数和(自身を除く): 17674128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 787, 860, 1032, 1290, 1574, 1720, 2064, 2361, 2580, 3148, 3440, 3935, 4722, 5160, 6296, 7870, 9444, 10320, 11805, 12592, 15740, 18888, 23610, 31480, 33841, 37776, 47220, 62960, 67682, 94440, 101523, 135364, 169205, 188880, 203046, 270728, 338410, 406092, 507615, 541456, 676820, 812184, 1015230, 1353640, 1624368, 2030460, 2707280, 4060920, 8121840]

約数ペア:

[(1, 8121840), (2, 4060920), (3, 2707280), (4, 2030460), (5, 1624368), (6, 1353640), (8, 1015230), (10, 812184), (12, 676820), (15, 541456), (16, 507615), (20, 406092), (24, 338410), (30, 270728), (40, 203046), (43, 188880), (48, 169205), (60, 135364), (80, 101523), (86, 94440), (120, 67682), (129, 62960), (172, 47220), (215, 37776), (240, 33841), (258, 31480), (344, 23610), (430, 18888), (516, 15740), (645, 12592), (688, 11805), (787, 10320), (860, 9444), (1032, 7870), (1290, 6296), (1574, 5160), (1720, 4722), (2064, 3935), (2361, 3440), (2580, 3148)]