81705180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{46957}}^1$

素因数の和:46998

約数の個数: 48

約数和(自身を含む): 236668320

約数和(自身を除く): 154963140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 46957, 93914, 140871, 187828, 234785, 281742, 469570, 563484, 704355, 939140, 1361753, 1408710, 2723506, 2817420, 4085259, 5447012, 6808765, 8170518, 13617530, 16341036, 20426295, 27235060, 40852590, 81705180]

約数ペア:

[(1, 81705180), (2, 40852590), (3, 27235060), (4, 20426295), (5, 16341036), (6, 13617530), (10, 8170518), (12, 6808765), (15, 5447012), (20, 4085259), (29, 2817420), (30, 2723506), (58, 1408710), (60, 1361753), (87, 939140), (116, 704355), (145, 563484), (174, 469570), (290, 281742), (348, 234785), (435, 187828), (580, 140871), (870, 93914), (1740, 46957)]