61915440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257981}}^1$

素因数の和:257997

約数の個数: 40

約数和(自身を含む): 191938608

約数和(自身を除く): 130023168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257981, 515962, 773943, 1031924, 1289905, 1547886, 2063848, 2579810, 3095772, 3869715, 4127696, 5159620, 6191544, 7739430, 10319240, 12383088, 15478860, 20638480, 30957720, 61915440]

約数ペア:

[(1, 61915440), (2, 30957720), (3, 20638480), (4, 15478860), (5, 12383088), (6, 10319240), (8, 7739430), (10, 6191544), (12, 5159620), (15, 4127696), (16, 3869715), (20, 3095772), (24, 2579810), (30, 2063848), (40, 1547886), (48, 1289905), (60, 1031924), (80, 773943), (120, 515962), (240, 257981)]