261285336

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 813758400

約数和(自身を除く): 552473064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 53, 69, 72, 78, 92, 104, 106, 117, 138, 156, 159, 184, 207, 212, 229, 234, 276, 299, 312, 318, 414, 424, 458, 468, 477, 552, 598, 636, 687, 689, 828, 897, 916, 936, 954, 1196, 1219, 1272, 1374, 1378, 1656, 1794, 1832, 1908, 2061, 2067, 2392, 2438, 2691, 2748, 2756, 2977, 3588, 3657, 3816, 4122, 4134, 4876, 5267, 5382, 5496, 5512, 5954, 6201, 7176, 7314, 8244, 8268, 8931, 9752, 10534, 10764, 10971, 11908, 12137, 12402, 14628, 15801, 15847, 16488, 16536, 17862, 21068, 21528, 21942, 23816, 24274, 24804, 26793, 29256, 31602, 31694, 35724, 36411, 42136, 43884, 47403, 47541, 48548, 49608, 53586, 63204, 63388, 68471, 71448, 72822, 87768, 94806, 95082, 97096, 107172, 109233, 126408, 126776, 136942, 142623, 145644, 157781, 189612, 190164, 205413, 214344, 218466, 273884, 279151, 285246, 291288, 315562, 379224, 380328, 410826, 436932, 473343, 547768, 558302, 570492, 616239, 631124, 821652, 837453, 873864, 946686, 1116604, 1140984, 1232478, 1262248, 1420029, 1643304, 1674906, 1893372, 2233208, 2464956, 2512359, 2840058, 3349812, 3628963, 3786744, 4929912, 5024718, 5680116, 6699624, 7257926, 10049436, 10886889, 11360232, 14515852, 20098872, 21773778, 29031704, 32660667, 43547556, 65321334, 87095112, 130642668, 261285336]

約数ペア:

[(1, 261285336), (2, 130642668), (3, 87095112), (4, 65321334), (6, 43547556), (8, 32660667), (9, 29031704), (12, 21773778), (13, 20098872), (18, 14515852), (23, 11360232), (24, 10886889), (26, 10049436), (36, 7257926), (39, 6699624), (46, 5680116), (52, 5024718), (53, 4929912), (69, 3786744), (72, 3628963), (78, 3349812), (92, 2840058), (104, 2512359), (106, 2464956), (117, 2233208), (138, 1893372), (156, 1674906), (159, 1643304), (184, 1420029), (207, 1262248), (212, 1232478), (229, 1140984), (234, 1116604), (276, 946686), (299, 873864), (312, 837453), (318, 821652), (414, 631124), (424, 616239), (458, 570492), (468, 558302), (477, 547768), (552, 473343), (598, 436932), (636, 410826), (687, 380328), (689, 379224), (828, 315562), (897, 291288), (916, 285246), (936, 279151), (954, 273884), (1196, 218466), (1219, 214344), (1272, 205413), (1374, 190164), (1378, 189612), (1656, 157781), (1794, 145644), (1832, 142623), (1908, 136942), (2061, 126776), (2067, 126408), (2392, 109233), (2438, 107172), (2691, 97096), (2748, 95082), (2756, 94806), (2977, 87768), (3588, 72822), (3657, 71448), (3816, 68471), (4122, 63388), (4134, 63204), (4876, 53586), (5267, 49608), (5382, 48548), (5496, 47541), (5512, 47403), (5954, 43884), (6201, 42136), (7176, 36411), (7314, 35724), (8244, 31694), (8268, 31602), (8931, 29256), (9752, 26793), (10534, 24804), (10764, 24274), (10971, 23816), (11908, 21942), (12137, 21528), (12402, 21068), (14628, 17862), (15801, 16536), (15847, 16488)]