28356780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 84268800

約数和(自身を除く): 55912020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 43, 58, 60, 86, 87, 116, 129, 145, 172, 174, 215, 258, 290, 348, 379, 430, 435, 516, 580, 645, 758, 860, 870, 1137, 1247, 1290, 1516, 1740, 1895, 2274, 2494, 2580, 3741, 3790, 4548, 4988, 5685, 6235, 7482, 7580, 10991, 11370, 12470, 14964, 16297, 18705, 21982, 22740, 24940, 32594, 32973, 37410, 43964, 48891, 54955, 65188, 65946, 74820, 81485, 97782, 109910, 131892, 162970, 164865, 195564, 219820, 244455, 325940, 329730, 472613, 488910, 659460, 945226, 977820, 1417839, 1890452, 2363065, 2835678, 4726130, 5671356, 7089195, 9452260, 14178390, 28356780]

約数ペア:

[(1, 28356780), (2, 14178390), (3, 9452260), (4, 7089195), (5, 5671356), (6, 4726130), (10, 2835678), (12, 2363065), (15, 1890452), (20, 1417839), (29, 977820), (30, 945226), (43, 659460), (58, 488910), (60, 472613), (86, 329730), (87, 325940), (116, 244455), (129, 219820), (145, 195564), (172, 164865), (174, 162970), (215, 131892), (258, 109910), (290, 97782), (348, 81485), (379, 74820), (430, 65946), (435, 65188), (516, 54955), (580, 48891), (645, 43964), (758, 37410), (860, 32973), (870, 32594), (1137, 24940), (1247, 22740), (1290, 21982), (1516, 18705), (1740, 16297), (1895, 14964), (2274, 12470), (2494, 11370), (2580, 10991), (3741, 7580), (3790, 7482), (4548, 6235), (4988, 5685)]