30955440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128981}}^1$

素因数の和:128997

約数の個数: 40

約数和(自身を含む): 95962608

約数和(自身を除く): 65007168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128981, 257962, 386943, 515924, 644905, 773886, 1031848, 1289810, 1547772, 1934715, 2063696, 2579620, 3095544, 3869430, 5159240, 6191088, 7738860, 10318480, 15477720, 30955440]

約数ペア:

[(1, 30955440), (2, 15477720), (3, 10318480), (4, 7738860), (5, 6191088), (6, 5159240), (8, 3869430), (10, 3095544), (12, 2579620), (15, 2063696), (16, 1934715), (20, 1547772), (24, 1289810), (30, 1031848), (40, 773886), (48, 644905), (60, 515924), (80, 386943), (120, 257962), (240, 128981)]