127781256

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 220583544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 59, 62, 71, 82, 93, 118, 123, 124, 142, 164, 177, 186, 213, 236, 246, 248, 284, 328, 354, 372, 426, 472, 492, 568, 708, 744, 852, 984, 1271, 1416, 1704, 1829, 2201, 2419, 2542, 2911, 3658, 3813, 4189, 4402, 4838, 5084, 5487, 5822, 6603, 7257, 7316, 7626, 8378, 8733, 8804, 9676, 10168, 10974, 11644, 12567, 13206, 14514, 14632, 15252, 16756, 17466, 17608, 19352, 21948, 23288, 25134, 26412, 29028, 30504, 33512, 34932, 43896, 50268, 52824, 58056, 69864, 74989, 90241, 100536, 129859, 149978, 171749, 180482, 224967, 259718, 270723, 299956, 343498, 360964, 389577, 449934, 515247, 519436, 541446, 599912, 686996, 721928, 779154, 899868, 1030494, 1038872, 1082892, 1373992, 1558308, 1799736, 2060988, 2165784, 3116616, 4121976, 5324219, 10648438, 15972657, 21296876, 31945314, 42593752, 63890628, 127781256]

約数ペア:

[(1, 127781256), (2, 63890628), (3, 42593752), (4, 31945314), (6, 21296876), (8, 15972657), (12, 10648438), (24, 5324219), (31, 4121976), (41, 3116616), (59, 2165784), (62, 2060988), (71, 1799736), (82, 1558308), (93, 1373992), (118, 1082892), (123, 1038872), (124, 1030494), (142, 899868), (164, 779154), (177, 721928), (186, 686996), (213, 599912), (236, 541446), (246, 519436), (248, 515247), (284, 449934), (328, 389577), (354, 360964), (372, 343498), (426, 299956), (472, 270723), (492, 259718), (568, 224967), (708, 180482), (744, 171749), (852, 149978), (984, 129859), (1271, 100536), (1416, 90241), (1704, 74989), (1829, 69864), (2201, 58056), (2419, 52824), (2542, 50268), (2911, 43896), (3658, 34932), (3813, 33512), (4189, 30504), (4402, 29028), (4838, 26412), (5084, 25134), (5487, 23288), (5822, 21948), (6603, 19352), (7257, 17608), (7316, 17466), (7626, 16756), (8378, 15252), (8733, 14632), (8804, 14514), (9676, 13206), (10168, 12567), (10974, 11644)]