7227280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 17090424

約数和(自身を除く): 9863144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1481, 2440, 2962, 4880, 5924, 7405, 11848, 14810, 23696, 29620, 59240, 90341, 118480, 180682, 361364, 451705, 722728, 903410, 1445456, 1806820, 3613640, 7227280]

約数ペア:

[(1, 7227280), (2, 3613640), (4, 1806820), (5, 1445456), (8, 903410), (10, 722728), (16, 451705), (20, 361364), (40, 180682), (61, 118480), (80, 90341), (122, 59240), (244, 29620), (305, 23696), (488, 14810), (610, 11848), (976, 7405), (1220, 5924), (1481, 4880), (2440, 2962)]