12880650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 32703264

約数和(自身を除く): 19822614

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 1997, 2150, 3225, 3994, 5991, 6450, 9985, 11982, 19970, 29955, 49925, 59910, 85871, 99850, 149775, 171742, 257613, 299550, 429355, 515226, 858710, 1288065, 2146775, 2576130, 4293550, 6440325, 12880650]

約数ペア:

[(1, 12880650), (2, 6440325), (3, 4293550), (5, 2576130), (6, 2146775), (10, 1288065), (15, 858710), (25, 515226), (30, 429355), (43, 299550), (50, 257613), (75, 171742), (86, 149775), (129, 99850), (150, 85871), (215, 59910), (258, 49925), (430, 29955), (645, 19970), (1075, 11982), (1290, 9985), (1997, 6450), (2150, 5991), (3225, 3994)]