155728920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3011}}^1$

素因数の和:3456

約数の個数: 64

約数和(自身を含む): 468426240

約数和(自身を除く): 312697320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 3011, 3448, 4310, 5172, 6022, 6465, 8620, 9033, 10344, 12044, 12930, 15055, 17240, 18066, 24088, 25860, 30110, 36132, 45165, 51720, 60220, 72264, 90330, 120440, 180660, 361320, 1297741, 2595482, 3893223, 5190964, 6488705, 7786446, 10381928, 12977410, 15572892, 19466115, 25954820, 31145784, 38932230, 51909640, 77864460, 155728920]

約数ペア:

[(1, 155728920), (2, 77864460), (3, 51909640), (4, 38932230), (5, 31145784), (6, 25954820), (8, 19466115), (10, 15572892), (12, 12977410), (15, 10381928), (20, 7786446), (24, 6488705), (30, 5190964), (40, 3893223), (60, 2595482), (120, 1297741), (431, 361320), (862, 180660), (1293, 120440), (1724, 90330), (2155, 72264), (2586, 60220), (3011, 51720), (3448, 45165), (4310, 36132), (5172, 30110), (6022, 25860), (6465, 24088), (8620, 18066), (9033, 17240), (10344, 15055), (12044, 12930)]