15683980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 20089940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 337, 358, 674, 716, 895, 1348, 1685, 1790, 2327, 3370, 3580, 4381, 4654, 6740, 8762, 9308, 11635, 17524, 21905, 23270, 43810, 46540, 60323, 87620, 120646, 241292, 301615, 603230, 784199, 1206460, 1568398, 3136796, 3920995, 7841990, 15683980]

約数ペア:

[(1, 15683980), (2, 7841990), (4, 3920995), (5, 3136796), (10, 1568398), (13, 1206460), (20, 784199), (26, 603230), (52, 301615), (65, 241292), (130, 120646), (179, 87620), (260, 60323), (337, 46540), (358, 43810), (674, 23270), (716, 21905), (895, 17524), (1348, 11635), (1685, 9308), (1790, 8762), (2327, 6740), (3370, 4654), (3580, 4381)]