261468720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{363151}}^1$

素因数の和:363170

約数の個数: 60

約数和(自身を含む): 878101536

約数和(自身を除く): 616632816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 363151, 726302, 1089453, 1452604, 1815755, 2178906, 2905208, 3268359, 3631510, 4357812, 5447265, 5810416, 6536718, 7263020, 8715624, 10894530, 13073436, 14526040, 16341795, 17431248, 21789060, 26146872, 29052080, 32683590, 43578120, 52293744, 65367180, 87156240, 130734360, 261468720]

約数ペア:

[(1, 261468720), (2, 130734360), (3, 87156240), (4, 65367180), (5, 52293744), (6, 43578120), (8, 32683590), (9, 29052080), (10, 26146872), (12, 21789060), (15, 17431248), (16, 16341795), (18, 14526040), (20, 13073436), (24, 10894530), (30, 8715624), (36, 7263020), (40, 6536718), (45, 5810416), (48, 5447265), (60, 4357812), (72, 3631510), (80, 3268359), (90, 2905208), (120, 2178906), (144, 1815755), (180, 1452604), (240, 1089453), (360, 726302), (720, 363151)]