81305676

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 217264320

約数和(自身を除く): 135958644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 47, 58, 87, 94, 116, 141, 174, 188, 261, 282, 348, 423, 522, 564, 846, 1044, 1363, 1657, 1692, 2726, 3314, 4089, 4971, 5452, 6628, 8178, 9942, 12267, 14913, 16356, 19884, 24534, 29826, 48053, 49068, 59652, 77879, 96106, 144159, 155758, 192212, 233637, 288318, 311516, 432477, 467274, 576636, 700911, 864954, 934548, 1401822, 1729908, 2258491, 2803644, 4516982, 6775473, 9033964, 13550946, 20326419, 27101892, 40652838, 81305676]

約数ペア:

[(1, 81305676), (2, 40652838), (3, 27101892), (4, 20326419), (6, 13550946), (9, 9033964), (12, 6775473), (18, 4516982), (29, 2803644), (36, 2258491), (47, 1729908), (58, 1401822), (87, 934548), (94, 864954), (116, 700911), (141, 576636), (174, 467274), (188, 432477), (261, 311516), (282, 288318), (348, 233637), (423, 192212), (522, 155758), (564, 144159), (846, 96106), (1044, 77879), (1363, 59652), (1657, 49068), (1692, 48053), (2726, 29826), (3314, 24534), (4089, 19884), (4971, 16356), (5452, 14913), (6628, 12267), (8178, 9942)]