261056208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 809091072

約数和(自身を除く): 548034864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 71, 84, 93, 112, 124, 142, 168, 186, 213, 217, 248, 284, 336, 353, 372, 426, 434, 496, 497, 568, 651, 706, 744, 852, 868, 994, 1059, 1136, 1302, 1412, 1488, 1491, 1704, 1736, 1988, 2118, 2201, 2471, 2604, 2824, 2982, 3408, 3472, 3976, 4236, 4402, 4942, 5208, 5648, 5964, 6603, 7413, 7952, 8472, 8804, 9884, 10416, 10943, 11928, 13206, 14826, 15407, 16944, 17608, 19768, 21886, 23856, 25063, 26412, 29652, 30814, 32829, 35216, 39536, 43772, 46221, 50126, 52824, 59304, 61628, 65658, 75189, 76601, 87544, 92442, 100252, 105648, 118608, 123256, 131316, 150378, 153202, 175088, 175441, 184884, 200504, 229803, 246512, 262632, 300756, 306404, 350882, 369768, 401008, 459606, 525264, 526323, 601512, 612808, 701764, 739536, 776953, 919212, 1052646, 1203024, 1225616, 1403528, 1553906, 1838424, 2105292, 2330859, 2807056, 3107812, 3676848, 4210584, 4661718, 5438671, 6215624, 8421168, 9323436, 10877342, 12431248, 16316013, 18646872, 21754684, 32632026, 37293744, 43509368, 65264052, 87018736, 130528104, 261056208]

約数ペア:

[(1, 261056208), (2, 130528104), (3, 87018736), (4, 65264052), (6, 43509368), (7, 37293744), (8, 32632026), (12, 21754684), (14, 18646872), (16, 16316013), (21, 12431248), (24, 10877342), (28, 9323436), (31, 8421168), (42, 6215624), (48, 5438671), (56, 4661718), (62, 4210584), (71, 3676848), (84, 3107812), (93, 2807056), (112, 2330859), (124, 2105292), (142, 1838424), (168, 1553906), (186, 1403528), (213, 1225616), (217, 1203024), (248, 1052646), (284, 919212), (336, 776953), (353, 739536), (372, 701764), (426, 612808), (434, 601512), (496, 526323), (497, 525264), (568, 459606), (651, 401008), (706, 369768), (744, 350882), (852, 306404), (868, 300756), (994, 262632), (1059, 246512), (1136, 229803), (1302, 200504), (1412, 184884), (1488, 175441), (1491, 175088), (1704, 153202), (1736, 150378), (1988, 131316), (2118, 123256), (2201, 118608), (2471, 105648), (2604, 100252), (2824, 92442), (2982, 87544), (3408, 76601), (3472, 75189), (3976, 65658), (4236, 61628), (4402, 59304), (4942, 52824), (5208, 50126), (5648, 46221), (5964, 43772), (6603, 39536), (7413, 35216), (7952, 32829), (8472, 30814), (8804, 29652), (9884, 26412), (10416, 25063), (10943, 23856), (11928, 21886), (13206, 19768), (14826, 17608), (15407, 16944)]