261161616

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1181}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 717596928

約数和(自身を除く): 456435312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 271, 272, 408, 542, 813, 816, 1084, 1181, 1626, 2168, 2362, 3252, 3543, 4336, 4607, 4724, 6504, 7086, 9214, 9448, 13008, 13821, 14172, 18428, 18896, 20077, 27642, 28344, 36856, 40154, 55284, 56688, 60231, 73712, 80308, 110568, 120462, 160616, 221136, 240924, 320051, 321232, 481848, 640102, 960153, 963696, 1280204, 1920306, 2560408, 3840612, 5120816, 5440867, 7681224, 10881734, 15362448, 16322601, 21763468, 32645202, 43526936, 65290404, 87053872, 130580808, 261161616]

約数ペア:

[(1, 261161616), (2, 130580808), (3, 87053872), (4, 65290404), (6, 43526936), (8, 32645202), (12, 21763468), (16, 16322601), (17, 15362448), (24, 10881734), (34, 7681224), (48, 5440867), (51, 5120816), (68, 3840612), (102, 2560408), (136, 1920306), (204, 1280204), (271, 963696), (272, 960153), (408, 640102), (542, 481848), (813, 321232), (816, 320051), (1084, 240924), (1181, 221136), (1626, 160616), (2168, 120462), (2362, 110568), (3252, 80308), (3543, 73712), (4336, 60231), (4607, 56688), (4724, 55284), (6504, 40154), (7086, 36856), (9214, 28344), (9448, 27642), (13008, 20077), (13821, 18896), (14172, 18428)]