15745808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 35841456

約数和(自身を除く): 20095648

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 73, 104, 122, 136, 146, 208, 221, 244, 272, 292, 442, 488, 584, 793, 884, 949, 976, 1037, 1168, 1241, 1586, 1768, 1898, 2074, 2482, 3172, 3536, 3796, 4148, 4453, 4964, 6344, 7592, 8296, 8906, 9928, 12688, 13481, 15184, 16133, 16592, 17812, 19856, 26962, 32266, 35624, 53924, 57889, 64532, 71248, 75701, 107848, 115778, 129064, 151402, 215696, 231556, 258128, 302804, 463112, 605608, 926224, 984113, 1211216, 1968226, 3936452, 7872904, 15745808]

約数ペア:

[(1, 15745808), (2, 7872904), (4, 3936452), (8, 1968226), (13, 1211216), (16, 984113), (17, 926224), (26, 605608), (34, 463112), (52, 302804), (61, 258128), (68, 231556), (73, 215696), (104, 151402), (122, 129064), (136, 115778), (146, 107848), (208, 75701), (221, 71248), (244, 64532), (272, 57889), (292, 53924), (442, 35624), (488, 32266), (584, 26962), (793, 19856), (884, 17812), (949, 16592), (976, 16133), (1037, 15184), (1168, 13481), (1241, 12688), (1586, 9928), (1768, 8906), (1898, 8296), (2074, 7592), (2482, 6344), (3172, 4964), (3536, 4453), (3796, 4148)]