30778884

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 81201120

約数和(自身を除く): 50422236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 337, 354, 387, 516, 531, 674, 708, 774, 1011, 1062, 1348, 1548, 2022, 2124, 2537, 3033, 4044, 5074, 6066, 7611, 10148, 12132, 14491, 15222, 19883, 22833, 28982, 30444, 39766, 43473, 45666, 57964, 59649, 79532, 86946, 91332, 119298, 130419, 173892, 178947, 238596, 260838, 357894, 521676, 715788, 854969, 1709938, 2564907, 3419876, 5129814, 7694721, 10259628, 15389442, 30778884]

約数ペア:

[(1, 30778884), (2, 15389442), (3, 10259628), (4, 7694721), (6, 5129814), (9, 3419876), (12, 2564907), (18, 1709938), (36, 854969), (43, 715788), (59, 521676), (86, 357894), (118, 260838), (129, 238596), (172, 178947), (177, 173892), (236, 130419), (258, 119298), (337, 91332), (354, 86946), (387, 79532), (516, 59649), (531, 57964), (674, 45666), (708, 43473), (774, 39766), (1011, 30444), (1062, 28982), (1348, 22833), (1548, 19883), (2022, 15222), (2124, 14491), (2537, 12132), (3033, 10148), (4044, 7611), (5074, 6066)]