28946970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2781

約数の個数: 80

約数和(自身を含む): 83853000

約数和(自身を除く): 54906030

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 2749, 3510, 5265, 5498, 8247, 10530, 13745, 16494, 24741, 27490, 35737, 41235, 49482, 71474, 74223, 82470, 107211, 123705, 148446, 178685, 214422, 222669, 247410, 321633, 357370, 371115, 445338, 536055, 643266, 742230, 964899, 1072110, 1113345, 1608165, 1929798, 2226690, 2894697, 3216330, 4824495, 5789394, 9648990, 14473485, 28946970]

約数ペア:

[(1, 28946970), (2, 14473485), (3, 9648990), (5, 5789394), (6, 4824495), (9, 3216330), (10, 2894697), (13, 2226690), (15, 1929798), (18, 1608165), (26, 1113345), (27, 1072110), (30, 964899), (39, 742230), (45, 643266), (54, 536055), (65, 445338), (78, 371115), (81, 357370), (90, 321633), (117, 247410), (130, 222669), (135, 214422), (162, 178685), (195, 148446), (234, 123705), (270, 107211), (351, 82470), (390, 74223), (405, 71474), (585, 49482), (702, 41235), (810, 35737), (1053, 27490), (1170, 24741), (1755, 16494), (2106, 13745), (2749, 10530), (3510, 8247), (5265, 5498)]