280273728

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{31}}^3$

素因数の和:122

約数の個数: 168

約数和(自身を含む): 891381504

約数和(自身を除く): 611107776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 147, 168, 186, 192, 196, 217, 224, 248, 294, 336, 372, 392, 434, 448, 496, 588, 651, 672, 744, 784, 868, 961, 992, 1176, 1302, 1344, 1488, 1519, 1568, 1736, 1922, 1984, 2352, 2604, 2883, 2976, 3038, 3136, 3472, 3844, 4557, 4704, 5208, 5766, 5952, 6076, 6727, 6944, 7688, 9114, 9408, 10416, 11532, 12152, 13454, 13888, 15376, 18228, 20181, 20832, 23064, 24304, 26908, 29791, 30752, 36456, 40362, 41664, 46128, 47089, 48608, 53816, 59582, 61504, 72912, 80724, 89373, 92256, 94178, 97216, 107632, 119164, 141267, 145824, 161448, 178746, 184512, 188356, 208537, 215264, 238328, 282534, 291648, 322896, 357492, 376712, 417074, 430528, 476656, 565068, 625611, 645792, 714984, 753424, 834148, 953312, 1130136, 1251222, 1291584, 1429968, 1459759, 1506848, 1668296, 1906624, 2260272, 2502444, 2859936, 2919518, 3013696, 3336592, 4379277, 4520544, 5004888, 5719872, 5839036, 6673184, 8758554, 9041088, 10009776, 11678072, 13346368, 17517108, 20019552, 23356144, 35034216, 40039104, 46712288, 70068432, 93424576, 140136864, 280273728]

約数ペア:

[(1, 280273728), (2, 140136864), (3, 93424576), (4, 70068432), (6, 46712288), (7, 40039104), (8, 35034216), (12, 23356144), (14, 20019552), (16, 17517108), (21, 13346368), (24, 11678072), (28, 10009776), (31, 9041088), (32, 8758554), (42, 6673184), (48, 5839036), (49, 5719872), (56, 5004888), (62, 4520544), (64, 4379277), (84, 3336592), (93, 3013696), (96, 2919518), (98, 2859936), (112, 2502444), (124, 2260272), (147, 1906624), (168, 1668296), (186, 1506848), (192, 1459759), (196, 1429968), (217, 1291584), (224, 1251222), (248, 1130136), (294, 953312), (336, 834148), (372, 753424), (392, 714984), (434, 645792), (448, 625611), (496, 565068), (588, 476656), (651, 430528), (672, 417074), (744, 376712), (784, 357492), (868, 322896), (961, 291648), (992, 282534), (1176, 238328), (1302, 215264), (1344, 208537), (1488, 188356), (1519, 184512), (1568, 178746), (1736, 161448), (1922, 145824), (1984, 141267), (2352, 119164), (2604, 107632), (2883, 97216), (2976, 94178), (3038, 92256), (3136, 89373), (3472, 80724), (3844, 72912), (4557, 61504), (4704, 59582), (5208, 53816), (5766, 48608), (5952, 47089), (6076, 46128), (6727, 41664), (6944, 40362), (7688, 36456), (9114, 30752), (9408, 29791), (10416, 26908), (11532, 24304), (12152, 23064), (13454, 20832), (13888, 20181), (15376, 18228)]