28178160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 88092576

約数和(自身を除く): 59914416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 857, 1096, 1370, 1644, 1714, 2055, 2192, 2571, 2740, 3288, 3428, 4110, 4285, 5142, 5480, 6576, 6856, 8220, 8570, 10284, 10960, 12855, 13712, 16440, 17140, 20568, 25710, 32880, 34280, 41136, 51420, 68560, 102840, 117409, 205680, 234818, 352227, 469636, 587045, 704454, 939272, 1174090, 1408908, 1761135, 1878544, 2348180, 2817816, 3522270, 4696360, 5635632, 7044540, 9392720, 14089080, 28178160]

約数ペア:

[(1, 28178160), (2, 14089080), (3, 9392720), (4, 7044540), (5, 5635632), (6, 4696360), (8, 3522270), (10, 2817816), (12, 2348180), (15, 1878544), (16, 1761135), (20, 1408908), (24, 1174090), (30, 939272), (40, 704454), (48, 587045), (60, 469636), (80, 352227), (120, 234818), (137, 205680), (240, 117409), (274, 102840), (411, 68560), (548, 51420), (685, 41136), (822, 34280), (857, 32880), (1096, 25710), (1370, 20568), (1644, 17140), (1714, 16440), (2055, 13712), (2192, 12855), (2571, 10960), (2740, 10284), (3288, 8570), (3428, 8220), (4110, 6856), (4285, 6576), (5142, 5480)]