220631280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21379}}^1$

素因数の和:21438

約数の個数: 80

約数和(自身を含む): 699895680

約数和(自身を除く): 479264400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 21379, 42758, 64137, 85516, 106895, 128274, 171032, 213790, 256548, 320685, 342064, 427580, 513096, 641370, 855160, 919297, 1026192, 1282740, 1710320, 1838594, 2565480, 2757891, 3677188, 4596485, 5130960, 5515782, 7354376, 9192970, 11031564, 13789455, 14708752, 18385940, 22063128, 27578910, 36771880, 44126256, 55157820, 73543760, 110315640, 220631280]

約数ペア:

[(1, 220631280), (2, 110315640), (3, 73543760), (4, 55157820), (5, 44126256), (6, 36771880), (8, 27578910), (10, 22063128), (12, 18385940), (15, 14708752), (16, 13789455), (20, 11031564), (24, 9192970), (30, 7354376), (40, 5515782), (43, 5130960), (48, 4596485), (60, 3677188), (80, 2757891), (86, 2565480), (120, 1838594), (129, 1710320), (172, 1282740), (215, 1026192), (240, 919297), (258, 855160), (344, 641370), (430, 513096), (516, 427580), (645, 342064), (688, 320685), (860, 256548), (1032, 213790), (1290, 171032), (1720, 128274), (2064, 106895), (2580, 85516), (3440, 64137), (5160, 42758), (10320, 21379)]