1303280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1505

約数の個数: 40

約数和(自身を含む): 3307824

約数和(自身を除く): 2004544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1481, 2962, 5924, 7405, 11848, 14810, 16291, 23696, 29620, 32582, 59240, 65164, 81455, 118480, 130328, 162910, 260656, 325820, 651640, 1303280]

約数ペア:

[(1, 1303280), (2, 651640), (4, 325820), (5, 260656), (8, 162910), (10, 130328), (11, 118480), (16, 81455), (20, 65164), (22, 59240), (40, 32582), (44, 29620), (55, 23696), (80, 16291), (88, 14810), (110, 11848), (176, 7405), (220, 5924), (440, 2962), (880, 1481)]