138769560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385471}}^1$

素因数の和:385488

約数の個数: 48

約数和(自身を含む): 451002240

約数和(自身を除く): 312232680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385471, 770942, 1156413, 1541884, 1927355, 2312826, 3083768, 3469239, 3854710, 4625652, 5782065, 6938478, 7709420, 9251304, 11564130, 13876956, 15418840, 17346195, 23128260, 27753912, 34692390, 46256520, 69384780, 138769560]

約数ペア:

[(1, 138769560), (2, 69384780), (3, 46256520), (4, 34692390), (5, 27753912), (6, 23128260), (8, 17346195), (9, 15418840), (10, 13876956), (12, 11564130), (15, 9251304), (18, 7709420), (20, 6938478), (24, 5782065), (30, 4625652), (36, 3854710), (40, 3469239), (45, 3083768), (60, 2312826), (72, 1927355), (90, 1541884), (120, 1156413), (180, 770942), (360, 385471)]