81909960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62053}}^1$

素因数の和:62078

約数の個数: 64

約数和(自身を含む): 268073280

約数和(自身を除く): 186163320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 62053, 124106, 186159, 248212, 310265, 372318, 496424, 620530, 682583, 744636, 930795, 1241060, 1365166, 1489272, 1861590, 2047749, 2482120, 2730332, 3412915, 3723180, 4095498, 5460664, 6825830, 7446360, 8190996, 10238745, 13651660, 16381992, 20477490, 27303320, 40954980, 81909960]

約数ペア:

[(1, 81909960), (2, 40954980), (3, 27303320), (4, 20477490), (5, 16381992), (6, 13651660), (8, 10238745), (10, 8190996), (11, 7446360), (12, 6825830), (15, 5460664), (20, 4095498), (22, 3723180), (24, 3412915), (30, 2730332), (33, 2482120), (40, 2047749), (44, 1861590), (55, 1489272), (60, 1365166), (66, 1241060), (88, 930795), (110, 744636), (120, 682583), (132, 620530), (165, 496424), (220, 372318), (264, 310265), (330, 248212), (440, 186159), (660, 124106), (1320, 62053)]