28287720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78577}}^1$

素因数の和:78594

約数の個数: 48

約数和(自身を含む): 91936260

約数和(自身を除く): 63648540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78577, 157154, 235731, 314308, 392885, 471462, 628616, 707193, 785770, 942924, 1178655, 1414386, 1571540, 1885848, 2357310, 2828772, 3143080, 3535965, 4714620, 5657544, 7071930, 9429240, 14143860, 28287720]

約数ペア:

[(1, 28287720), (2, 14143860), (3, 9429240), (4, 7071930), (5, 5657544), (6, 4714620), (8, 3535965), (9, 3143080), (10, 2828772), (12, 2357310), (15, 1885848), (18, 1571540), (20, 1414386), (24, 1178655), (30, 942924), (36, 785770), (40, 707193), (45, 628616), (60, 471462), (72, 392885), (90, 314308), (120, 235731), (180, 157154), (360, 78577)]