271896160

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3461}}^1$

素因数の和:3967

約数の個数: 48

約数和(自身を含む): 643848912

約数和(自身を除く): 371952752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1964, 2455, 3461, 3928, 4910, 6922, 7856, 9820, 13844, 15712, 17305, 19640, 27688, 34610, 39280, 55376, 69220, 78560, 110752, 138440, 276880, 553760, 1699351, 3398702, 6797404, 8496755, 13594808, 16993510, 27189616, 33987020, 54379232, 67974040, 135948080, 271896160]

約数ペア:

[(1, 271896160), (2, 135948080), (4, 67974040), (5, 54379232), (8, 33987020), (10, 27189616), (16, 16993510), (20, 13594808), (32, 8496755), (40, 6797404), (80, 3398702), (160, 1699351), (491, 553760), (982, 276880), (1964, 138440), (2455, 110752), (3461, 78560), (3928, 69220), (4910, 55376), (6922, 39280), (7856, 34610), (9820, 27688), (13844, 19640), (15712, 17305)]