208152180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{128489}}^1$

素因数の和:128510

約数の個数: 60

約数和(自身を含む): 652986180

約数和(自身を除く): 444834000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 128489, 256978, 385467, 513956, 642445, 770934, 1156401, 1284890, 1541868, 1927335, 2312802, 2569780, 3469203, 3854670, 4625604, 5782005, 6938406, 7709340, 10407609, 11564010, 13876812, 17346015, 20815218, 23128020, 34692030, 41630436, 52038045, 69384060, 104076090, 208152180]

約数ペア:

[(1, 208152180), (2, 104076090), (3, 69384060), (4, 52038045), (5, 41630436), (6, 34692030), (9, 23128020), (10, 20815218), (12, 17346015), (15, 13876812), (18, 11564010), (20, 10407609), (27, 7709340), (30, 6938406), (36, 5782005), (45, 4625604), (54, 3854670), (60, 3469203), (81, 2569780), (90, 2312802), (108, 1927335), (135, 1541868), (162, 1284890), (180, 1156401), (270, 770934), (324, 642445), (405, 513956), (540, 385467), (810, 256978), (1620, 128489)]