21888120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 44207880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 1019, 1074, 1432, 1790, 2038, 2148, 2685, 3057, 3580, 4076, 4296, 5095, 5370, 6114, 7160, 8152, 10190, 10740, 12228, 15285, 20380, 21480, 24456, 30570, 40760, 61140, 122280, 182401, 364802, 547203, 729604, 912005, 1094406, 1459208, 1824010, 2188812, 2736015, 3648020, 4377624, 5472030, 7296040, 10944060, 21888120]

約数ペア:

[(1, 21888120), (2, 10944060), (3, 7296040), (4, 5472030), (5, 4377624), (6, 3648020), (8, 2736015), (10, 2188812), (12, 1824010), (15, 1459208), (20, 1094406), (24, 912005), (30, 729604), (40, 547203), (60, 364802), (120, 182401), (179, 122280), (358, 61140), (537, 40760), (716, 30570), (895, 24456), (1019, 21480), (1074, 20380), (1432, 15285), (1790, 12228), (2038, 10740), (2148, 10190), (2685, 8152), (3057, 7160), (3580, 6114), (4076, 5370), (4296, 5095)]