205284960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142559}}^1$

素因数の和:142580

約数の個数: 72

約数和(自身を含む): 700539840

約数和(自身を除く): 495254880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142559, 285118, 427677, 570236, 712795, 855354, 1140472, 1283031, 1425590, 1710708, 2138385, 2280944, 2566062, 2851180, 3421416, 4276770, 4561888, 5132124, 5702360, 6415155, 6842832, 8553540, 10264248, 11404720, 12830310, 13685664, 17107080, 20528496, 22809440, 25660620, 34214160, 41056992, 51321240, 68428320, 102642480, 205284960]

約数ペア:

[(1, 205284960), (2, 102642480), (3, 68428320), (4, 51321240), (5, 41056992), (6, 34214160), (8, 25660620), (9, 22809440), (10, 20528496), (12, 17107080), (15, 13685664), (16, 12830310), (18, 11404720), (20, 10264248), (24, 8553540), (30, 6842832), (32, 6415155), (36, 5702360), (40, 5132124), (45, 4561888), (48, 4276770), (60, 3421416), (72, 2851180), (80, 2566062), (90, 2280944), (96, 2138385), (120, 1710708), (144, 1425590), (160, 1283031), (180, 1140472), (240, 855354), (288, 712795), (360, 570236), (480, 427677), (720, 285118), (1440, 142559)]