15392780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 35331744

約数和(自身を除く): 19938964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 811, 949, 1460, 1622, 1898, 3244, 3796, 4055, 4745, 8110, 9490, 10543, 16220, 18980, 21086, 42172, 52715, 59203, 105430, 118406, 210860, 236812, 296015, 592030, 769639, 1184060, 1539278, 3078556, 3848195, 7696390, 15392780]

約数ペア:

[(1, 15392780), (2, 7696390), (4, 3848195), (5, 3078556), (10, 1539278), (13, 1184060), (20, 769639), (26, 592030), (52, 296015), (65, 236812), (73, 210860), (130, 118406), (146, 105430), (260, 59203), (292, 52715), (365, 42172), (730, 21086), (811, 18980), (949, 16220), (1460, 10543), (1622, 9490), (1898, 8110), (3244, 4745), (3796, 4055)]