80734020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79151}}^1$

素因数の和:79180

約数の個数: 48

約数和(自身を含む): 239355648

約数和(自身を除く): 158621628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79151, 158302, 237453, 316604, 395755, 474906, 791510, 949812, 1187265, 1345567, 1583020, 2374530, 2691134, 4036701, 4749060, 5382268, 6727835, 8073402, 13455670, 16146804, 20183505, 26911340, 40367010, 80734020]

約数ペア:

[(1, 80734020), (2, 40367010), (3, 26911340), (4, 20183505), (5, 16146804), (6, 13455670), (10, 8073402), (12, 6727835), (15, 5382268), (17, 4749060), (20, 4036701), (30, 2691134), (34, 2374530), (51, 1583020), (60, 1345567), (68, 1187265), (85, 949812), (102, 791510), (170, 474906), (204, 395755), (255, 316604), (340, 237453), (510, 158302), (1020, 79151)]