261350439168

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:1003

約数の個数: 864

約数和(自身を含む): 947871805440

約数和(自身を除く): 686521366272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 31, 32, 38, 39, 42, 48, 49, 52, 56, 57, 62, 64, 76, 78, 84, 91, 93, 96, 98, 104, 112, 114, 124, 128, 133, 147, 152, 156, 168, 182, 186, 192, 196, 208, 217, 224, 228, 247, 248, 256, 266, 273, 294, 304, 312, 336, 364, 372, 384, 392, 399, 403, 416, 434, 448, 456, 494, 496, 532, 546, 588, 589, 608, 624, 637, 651, 672, 728, 741, 744, 768, 784, 798, 806, 832, 868, 896, 907, 912, 931, 988, 992, 1064, 1092, 1176, 1178, 1209, 1216, 1248, 1274, 1302, 1344, 1456, 1482, 1488, 1519, 1568, 1596, 1612, 1664, 1729, 1736, 1767, 1792, 1814, 1824, 1862, 1911, 1976, 1984, 2128, 2184, 2352, 2356, 2418, 2432, 2496, 2548, 2604, 2688, 2721, 2793, 2821, 2912, 2964, 2976, 3038, 3136, 3192, 3224, 3328, 3458, 3472, 3534, 3628, 3648, 3724, 3822, 3952, 3968, 4123, 4256, 4368, 4557, 4704, 4712, 4836, 4864, 4992, 5096, 5187, 5208, 5376, 5442, 5586, 5642, 5824, 5928, 5952, 6076, 6272, 6349, 6384, 6448, 6916, 6944, 7068, 7256, 7296, 7448, 7644, 7657, 7904, 7936, 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21779203264, 32668804896, 37335777024, 43558406528, 65337609792, 87116813056, 130675219584, 261350439168]

約数ペア:

[(1, 261350439168), (2, 130675219584), (3, 87116813056), (4, 65337609792), (6, 43558406528), (7, 37335777024), (8, 32668804896), (12, 21779203264), (13, 20103879936), (14, 18667888512), (16, 16334402448), (19, 13755286272), (21, 12445259008), (24, 10889601632), (26, 10051939968), (28, 9333944256), (31, 8430659328), (32, 8167201224), (38, 6877643136), (39, 6701293312), (42, 6222629504), (48, 5444800816), (49, 5333682432), (52, 5025969984), (56, 4666972128), (57, 4585095424), (62, 4215329664), (64, 4083600612), (76, 3438821568), (78, 3350646656), (84, 3111314752), (91, 2871982848), (93, 2810219776), (96, 2722400408), (98, 2666841216), (104, 2512984992), (112, 2333486064), (114, 2292547712), (124, 2107664832), (128, 2041800306), (133, 1965040896), (147, 1777894144), (152, 1719410784), (156, 1675323328), (168, 1555657376), (182, 1435991424), (186, 1405109888), (192, 1361200204), (196, 1333420608), (208, 1256492496), (217, 1204379904), (224, 1166743032), (228, 1146273856), (247, 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(1456, 179498928), (1482, 176349824), (1488, 175638736), (1519, 172054272), (1568, 166677576), (1596, 163753408), (1612, 162128064), (1664, 157061562), (1729, 151156992), (1736, 150547488), (1767, 147906304), (1792, 145842879), (1814, 144074112), (1824, 143284232), (1862, 140360064), (1911, 136761088), (1976, 132262368), (1984, 131729052), (2128, 122815056), (2184, 119665952), (2352, 111118384), (2356, 110929728), (2418, 108085376), (2432, 107463174), (2496, 104707708), (2548, 102570816), (2604, 100364992), (2688, 97228586), (2721, 96049408), (2793, 93573376), (2821, 92644608), (2912, 89749464), (2964, 88174912), (2976, 87819368), (3038, 86027136), (3136, 83338788), (3192, 81876704), (3224, 81064032), (3328, 78530781), (3458, 75578496), (3472, 75273744), (3534, 73953152), (3628, 72037056), (3648, 71642116), (3724, 70180032), (3822, 68380544), (3952, 66131184), (3968, 65864526), (4123, 63388416), (4256, 61407528), (4368, 59832976), (4557, 57351424), (4704, 55559192), (4712, 55464864), 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