81163920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338183}}^1$

素因数の和:338199

約数の個数: 40

約数和(自身を含む): 251608896

約数和(自身を除く): 170444976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338183, 676366, 1014549, 1352732, 1690915, 2029098, 2705464, 3381830, 4058196, 5072745, 5410928, 6763660, 8116392, 10145490, 13527320, 16232784, 20290980, 27054640, 40581960, 81163920]

約数ペア:

[(1, 81163920), (2, 40581960), (3, 27054640), (4, 20290980), (5, 16232784), (6, 13527320), (8, 10145490), (10, 8116392), (12, 6763660), (15, 5410928), (16, 5072745), (20, 4058196), (24, 3381830), (30, 2705464), (40, 2029098), (48, 1690915), (60, 1352732), (80, 1014549), (120, 676366), (240, 338183)]