15580448

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 34494768

約数和(自身を除く): 18914320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 67, 86, 104, 134, 169, 172, 208, 268, 338, 344, 416, 536, 559, 676, 688, 871, 1072, 1118, 1352, 1376, 1742, 2144, 2236, 2704, 2881, 3484, 4472, 5408, 5762, 6968, 7267, 8944, 11323, 11524, 13936, 14534, 17888, 22646, 23048, 27872, 29068, 37453, 45292, 46096, 58136, 74906, 90584, 92192, 116272, 149812, 181168, 232544, 299624, 362336, 486889, 599248, 973778, 1198496, 1947556, 3895112, 7790224, 15580448]

約数ペア:

[(1, 15580448), (2, 7790224), (4, 3895112), (8, 1947556), (13, 1198496), (16, 973778), (26, 599248), (32, 486889), (43, 362336), (52, 299624), (67, 232544), (86, 181168), (104, 149812), (134, 116272), (169, 92192), (172, 90584), (208, 74906), (268, 58136), (338, 46096), (344, 45292), (416, 37453), (536, 29068), (559, 27872), (676, 23048), (688, 22646), (871, 17888), (1072, 14534), (1118, 13936), (1352, 11524), (1376, 11323), (1742, 8944), (2144, 7267), (2236, 6968), (2704, 5762), (2881, 5408), (3484, 4472)]