15981576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 43417920

約数和(自身を除く): 27436344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 181, 283, 312, 362, 543, 566, 724, 849, 1086, 1132, 1448, 1698, 2172, 2264, 2353, 3396, 3679, 4344, 4706, 6792, 7059, 7358, 9412, 11037, 14118, 14716, 18824, 22074, 28236, 29432, 44148, 51223, 56472, 88296, 102446, 153669, 204892, 307338, 409784, 614676, 665899, 1229352, 1331798, 1997697, 2663596, 3995394, 5327192, 7990788, 15981576]

約数ペア:

[(1, 15981576), (2, 7990788), (3, 5327192), (4, 3995394), (6, 2663596), (8, 1997697), (12, 1331798), (13, 1229352), (24, 665899), (26, 614676), (39, 409784), (52, 307338), (78, 204892), (104, 153669), (156, 102446), (181, 88296), (283, 56472), (312, 51223), (362, 44148), (543, 29432), (566, 28236), (724, 22074), (849, 18824), (1086, 14716), (1132, 14118), (1448, 11037), (1698, 9412), (2172, 7358), (2264, 7059), (2353, 6792), (3396, 4706), (3679, 4344)]