69778020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89459}}^1$

素因数の和:89484

約数の個数: 48

約数和(自身を含む): 210409920

約数和(自身を除く): 140631900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 89459, 178918, 268377, 357836, 447295, 536754, 894590, 1073508, 1162967, 1341885, 1789180, 2325934, 2683770, 3488901, 4651868, 5367540, 5814835, 6977802, 11629670, 13955604, 17444505, 23259340, 34889010, 69778020]

約数ペア:

[(1, 69778020), (2, 34889010), (3, 23259340), (4, 17444505), (5, 13955604), (6, 11629670), (10, 6977802), (12, 5814835), (13, 5367540), (15, 4651868), (20, 3488901), (26, 2683770), (30, 2325934), (39, 1789180), (52, 1341885), (60, 1162967), (65, 1073508), (78, 894590), (130, 536754), (156, 447295), (195, 357836), (260, 268377), (390, 178918), (780, 89459)]