18164880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25229}}^1$

素因数の和:25248

約数の個数: 60

約数和(自身を含む): 61006140

約数和(自身を除く): 42841260

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, 25229, 50458, 75687, 100916, 126145, 151374, 201832, 227061, 252290, 302748, 378435, 403664, 454122, 504580, 605496, 756870, 908244, 1009160, 1135305, 1210992, 1513740, 1816488, 2018320, 2270610, 3027480, 3632976, 4541220, 6054960, 9082440, 18164880]

約数ペア:

[(1, 18164880), (2, 9082440), (3, 6054960), (4, 4541220), (5, 3632976), (6, 3027480), (8, 2270610), (9, 2018320), (10, 1816488), (12, 1513740), (15, 1210992), (16, 1135305), (18, 1009160), (20, 908244), (24, 756870), (30, 605496), (36, 504580), (40, 454122), (45, 403664), (48, 378435), (60, 302748), (72, 252290), (80, 227061), (90, 201832), (120, 151374), (144, 126145), (180, 100916), (240, 75687), (360, 50458), (720, 25229)]