15205225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 24105600

約数和(自身を除く): 8900375

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 269, 323, 425, 475, 595, 665, 1345, 1615, 1883, 2261, 2975, 3325, 4573, 5111, 6725, 8075, 9415, 11305, 22865, 25555, 32011, 35777, 47075, 56525, 86887, 114325, 127775, 160055, 178885, 434435, 608209, 800275, 894425, 2172175, 3041045, 15205225]

約数ペア:

[(1, 15205225), (5, 3041045), (7, 2172175), (17, 894425), (19, 800275), (25, 608209), (35, 434435), (85, 178885), (95, 160055), (119, 127775), (133, 114325), (175, 86887), (269, 56525), (323, 47075), (425, 35777), (475, 32011), (595, 25555), (665, 22865), (1345, 11305), (1615, 9415), (1883, 8075), (2261, 6725), (2975, 5111), (3325, 4573)]