17964540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 61117056

約数和(自身を除く): 43152516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 211, 215, 220, 258, 330, 387, 396, 422, 430, 473, 495, 516, 633, 645, 660, 774, 844, 860, 946, 990, 1055, 1266, 1290, 1419, 1548, 1892, 1899, 1935, 1980, 2110, 2321, 2365, 2532, 2580, 2838, 3165, 3798, 3870, 4220, 4257, 4642, 4730, 5676, 6330, 6963, 7095, 7596, 7740, 8514, 9073, 9284, 9460, 9495, 11605, 12660, 13926, 14190, 17028, 18146, 18990, 20889, 21285, 23210, 27219, 27852, 28380, 34815, 36292, 37980, 41778, 42570, 45365, 46420, 54438, 69630, 81657, 83556, 85140, 90730, 99803, 104445, 108876, 136095, 139260, 163314, 181460, 199606, 208890, 272190, 299409, 326628, 399212, 408285, 417780, 499015, 544380, 598818, 816570, 898227, 998030, 1197636, 1497045, 1633140, 1796454, 1996060, 2994090, 3592908, 4491135, 5988180, 8982270, 17964540]

約数ペア:

[(1, 17964540), (2, 8982270), (3, 5988180), (4, 4491135), (5, 3592908), (6, 2994090), (9, 1996060), (10, 1796454), (11, 1633140), (12, 1497045), (15, 1197636), (18, 998030), (20, 898227), (22, 816570), (30, 598818), (33, 544380), (36, 499015), (43, 417780), (44, 408285), (45, 399212), (55, 326628), (60, 299409), (66, 272190), (86, 208890), (90, 199606), (99, 181460), (110, 163314), (129, 139260), (132, 136095), (165, 108876), (172, 104445), (180, 99803), (198, 90730), (211, 85140), (215, 83556), (220, 81657), (258, 69630), (330, 54438), (387, 46420), (396, 45365), (422, 42570), (430, 41778), (473, 37980), (495, 36292), (516, 34815), (633, 28380), (645, 27852), (660, 27219), (774, 23210), (844, 21285), (860, 20889), (946, 18990), (990, 18146), (1055, 17028), (1266, 14190), (1290, 13926), (1419, 12660), (1548, 11605), (1892, 9495), (1899, 9460), (1935, 9284), (1980, 9073), (2110, 8514), (2321, 7740), (2365, 7596), (2532, 7095), (2580, 6963), (2838, 6330), (3165, 5676), (3798, 4730), (3870, 4642), (4220, 4257)]