81216360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225601}}^1$

素因数の和:225618

約数の個数: 48

約数和(自身を含む): 263954340

約数和(自身を除く): 182737980

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, 225601, 451202, 676803, 902404, 1128005, 1353606, 1804808, 2030409, 2256010, 2707212, 3384015, 4060818, 4512020, 5414424, 6768030, 8121636, 9024040, 10152045, 13536060, 16243272, 20304090, 27072120, 40608180, 81216360]

約数ペア:

[(1, 81216360), (2, 40608180), (3, 27072120), (4, 20304090), (5, 16243272), (6, 13536060), (8, 10152045), (9, 9024040), (10, 8121636), (12, 6768030), (15, 5414424), (18, 4512020), (20, 4060818), (24, 3384015), (30, 2707212), (36, 2256010), (40, 2030409), (45, 1804808), (60, 1353606), (72, 1128005), (90, 902404), (120, 676803), (180, 451202), (360, 225601)]