128609208

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 192

約数和(自身を含む): 445186560

約数和(自身を除く): 316577352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 243, 252, 273, 312, 324, 351, 364, 378, 468, 486, 504, 546, 567, 648, 702, 727, 728, 756, 819, 936, 972, 1053, 1092, 1134, 1404, 1454, 1512, 1638, 1701, 1944, 2106, 2181, 2184, 2268, 2457, 2808, 2908, 3159, 3276, 3402, 4212, 4362, 4536, 4914, 5089, 5816, 6318, 6543, 6552, 6804, 7371, 8424, 8724, 9451, 9828, 10178, 12636, 13086, 13608, 14742, 15267, 17448, 18902, 19629, 19656, 20356, 22113, 25272, 26172, 28353, 29484, 30534, 37804, 39258, 40712, 44226, 45801, 52344, 56706, 58887, 58968, 61068, 66157, 75608, 78516, 85059, 88452, 91602, 113412, 117774, 122136, 132314, 137403, 157032, 170118, 176661, 176904, 183204, 198471, 226824, 235548, 255177, 264628, 274806, 340236, 353322, 366408, 396942, 412209, 471096, 510354, 529256, 549612, 595413, 680472, 706644, 765531, 793884, 824418, 1020708, 1099224, 1190826, 1236627, 1413288, 1531062, 1587768, 1648836, 1786239, 2041416, 2296593, 2381652, 2473254, 3062124, 3297672, 3572478, 4593186, 4763304, 4946508, 5358717, 6124248, 7144956, 9186372, 9893016, 10717434, 14289912, 16076151, 18372744, 21434868, 32152302, 42869736, 64304604, 128609208]

約数ペア:

[(1, 128609208), (2, 64304604), (3, 42869736), (4, 32152302), (6, 21434868), (7, 18372744), (8, 16076151), (9, 14289912), (12, 10717434), (13, 9893016), (14, 9186372), (18, 7144956), (21, 6124248), (24, 5358717), (26, 4946508), (27, 4763304), (28, 4593186), (36, 3572478), (39, 3297672), (42, 3062124), (52, 2473254), (54, 2381652), (56, 2296593), (63, 2041416), (72, 1786239), (78, 1648836), (81, 1587768), (84, 1531062), (91, 1413288), (104, 1236627), (108, 1190826), (117, 1099224), (126, 1020708), (156, 824418), (162, 793884), (168, 765531), (182, 706644), (189, 680472), (216, 595413), (234, 549612), (243, 529256), (252, 510354), (273, 471096), (312, 412209), (324, 396942), (351, 366408), (364, 353322), (378, 340236), (468, 274806), (486, 264628), (504, 255177), (546, 235548), (567, 226824), (648, 198471), (702, 183204), (727, 176904), (728, 176661), (756, 170118), (819, 157032), (936, 137403), (972, 132314), (1053, 122136), (1092, 117774), (1134, 113412), (1404, 91602), (1454, 88452), (1512, 85059), (1638, 78516), (1701, 75608), (1944, 66157), (2106, 61068), (2181, 58968), (2184, 58887), (2268, 56706), (2457, 52344), (2808, 45801), (2908, 44226), (3159, 40712), (3276, 39258), (3402, 37804), (4212, 30534), (4362, 29484), (4536, 28353), (4914, 26172), (5089, 25272), (5816, 22113), (6318, 20356), (6543, 19656), (6552, 19629), (6804, 18902), (7371, 17448), (8424, 15267), (8724, 14742), (9451, 13608), (9828, 13086), (10178, 12636)]