81218550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{77351}}^1$

素因数の和:77373

約数の個数: 48

約数和(自身を含む): 230199552

約数和(自身を除く): 148981002

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 77351, 154702, 232053, 386755, 464106, 541457, 773510, 1082914, 1160265, 1624371, 1933775, 2320530, 2707285, 3248742, 3867550, 5414570, 5801325, 8121855, 11602650, 13536425, 16243710, 27072850, 40609275, 81218550]

約数ペア:

[(1, 81218550), (2, 40609275), (3, 27072850), (5, 16243710), (6, 13536425), (7, 11602650), (10, 8121855), (14, 5801325), (15, 5414570), (21, 3867550), (25, 3248742), (30, 2707285), (35, 2320530), (42, 1933775), (50, 1624371), (70, 1160265), (75, 1082914), (105, 773510), (150, 541457), (175, 464106), (210, 386755), (350, 232053), (525, 154702), (1050, 77351)]