15511790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 18702610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 107, 109, 133, 190, 214, 218, 266, 535, 545, 665, 749, 763, 1070, 1090, 1330, 1498, 1526, 2033, 2071, 3745, 3815, 4066, 4142, 7490, 7630, 10165, 10355, 11663, 14231, 14497, 20330, 20710, 23326, 28462, 28994, 58315, 71155, 72485, 81641, 116630, 142310, 144970, 163282, 221597, 408205, 443194, 816410, 1107985, 1551179, 2215970, 3102358, 7755895, 15511790]

約数ペア:

[(1, 15511790), (2, 7755895), (5, 3102358), (7, 2215970), (10, 1551179), (14, 1107985), (19, 816410), (35, 443194), (38, 408205), (70, 221597), (95, 163282), (107, 144970), (109, 142310), (133, 116630), (190, 81641), (214, 72485), (218, 71155), (266, 58315), (535, 28994), (545, 28462), (665, 23326), (749, 20710), (763, 20330), (1070, 14497), (1090, 14231), (1330, 11663), (1498, 10355), (1526, 10165), (2033, 7630), (2071, 7490), (3745, 4142), (3815, 4066)]