15161720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 39337920

約数和(自身を除く): 24176200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 313, 346, 626, 692, 865, 1211, 1252, 1384, 1565, 1730, 2191, 2422, 2504, 3130, 3460, 4382, 4844, 6055, 6260, 6920, 8764, 9688, 10955, 12110, 12520, 17528, 21910, 24220, 43820, 48440, 54149, 87640, 108298, 216596, 270745, 379043, 433192, 541490, 758086, 1082980, 1516172, 1895215, 2165960, 3032344, 3790430, 7580860, 15161720]

約数ペア:

[(1, 15161720), (2, 7580860), (4, 3790430), (5, 3032344), (7, 2165960), (8, 1895215), (10, 1516172), (14, 1082980), (20, 758086), (28, 541490), (35, 433192), (40, 379043), (56, 270745), (70, 216596), (140, 108298), (173, 87640), (280, 54149), (313, 48440), (346, 43820), (626, 24220), (692, 21910), (865, 17528), (1211, 12520), (1252, 12110), (1384, 10955), (1565, 9688), (1730, 8764), (2191, 6920), (2422, 6260), (2504, 6055), (3130, 4844), (3460, 4382)]