646768128

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 240

約数和(自身を含む): 1929590784

約数和(自身を除く): 1282822656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 47, 48, 51, 62, 64, 68, 93, 94, 96, 102, 124, 128, 136, 141, 186, 188, 192, 204, 248, 256, 272, 282, 289, 372, 376, 384, 408, 496, 512, 527, 544, 564, 578, 744, 752, 768, 799, 816, 867, 992, 1054, 1088, 1128, 1156, 1457, 1488, 1504, 1536, 1581, 1598, 1632, 1734, 1984, 2108, 2176, 2256, 2312, 2397, 2914, 2976, 3008, 3162, 3196, 3264, 3468, 3968, 4216, 4352, 4371, 4512, 4624, 4794, 5828, 5952, 6016, 6324, 6392, 6528, 6936, 7936, 8432, 8704, 8742, 8959, 9024, 9248, 9588, 11656, 11904, 12032, 12648, 12784, 13056, 13583, 13872, 15872, 16864, 17484, 17918, 18048, 18496, 19176, 23312, 23808, 24064, 24769, 25296, 25568, 26112, 26877, 27166, 27744, 33728, 34968, 35836, 36096, 36992, 38352, 40749, 46624, 47616, 49538, 50592, 51136, 53754, 54332, 55488, 67456, 69936, 71672, 72192, 73984, 74307, 76704, 81498, 93248, 99076, 101184, 102272, 107508, 108664, 110976, 134912, 139872, 143344, 147968, 148614, 153408, 162996, 186496, 198152, 202368, 204544, 215016, 217328, 221952, 269824, 279744, 286688, 297228, 306816, 325992, 372992, 396304, 404736, 409088, 421073, 430032, 434656, 443904, 559488, 573376, 594456, 613632, 651984, 745984, 792608, 809472, 842146, 860064, 869312, 1118976, 1146752, 1188912, 1227264, 1263219, 1303968, 1585216, 1684292, 1720128, 1738624, 2237952, 2293504, 2377824, 2526438, 2607936, 3170432, 3368584, 3440256, 3477248, 4587008, 4755648, 5052876, 5215872, 6340864, 6737168, 6880512, 6954496, 9511296, 10105752, 10431744, 12681728, 13474336, 13761024, 19022592, 20211504, 20863488, 26948672, 38045184, 40423008, 53897344, 80846016, 107794688, 161692032, 215589376, 323384064, 646768128]

約数ペア:

[(1, 646768128), (2, 323384064), (3, 215589376), (4, 161692032), (6, 107794688), (8, 80846016), (12, 53897344), (16, 40423008), (17, 38045184), (24, 26948672), (31, 20863488), (32, 20211504), (34, 19022592), (47, 13761024), (48, 13474336), (51, 12681728), (62, 10431744), (64, 10105752), (68, 9511296), (93, 6954496), (94, 6880512), (96, 6737168), (102, 6340864), (124, 5215872), (128, 5052876), (136, 4755648), (141, 4587008), (186, 3477248), (188, 3440256), (192, 3368584), (204, 3170432), (248, 2607936), (256, 2526438), (272, 2377824), (282, 2293504), (289, 2237952), (372, 1738624), (376, 1720128), (384, 1684292), (408, 1585216), (496, 1303968), (512, 1263219), (527, 1227264), (544, 1188912), (564, 1146752), (578, 1118976), (744, 869312), (752, 860064), (768, 842146), (799, 809472), (816, 792608), (867, 745984), (992, 651984), (1054, 613632), (1088, 594456), (1128, 573376), (1156, 559488), (1457, 443904), (1488, 434656), (1504, 430032), (1536, 421073), (1581, 409088), (1598, 404736), (1632, 396304), (1734, 372992), (1984, 325992), (2108, 306816), (2176, 297228), (2256, 286688), (2312, 279744), (2397, 269824), (2914, 221952), (2976, 217328), (3008, 215016), (3162, 204544), (3196, 202368), (3264, 198152), (3468, 186496), (3968, 162996), (4216, 153408), (4352, 148614), (4371, 147968), (4512, 143344), (4624, 139872), (4794, 134912), (5828, 110976), (5952, 108664), (6016, 107508), (6324, 102272), (6392, 101184), (6528, 99076), (6936, 93248), (7936, 81498), (8432, 76704), (8704, 74307), (8742, 73984), (8959, 72192), (9024, 71672), (9248, 69936), (9588, 67456), (11656, 55488), (11904, 54332), (12032, 53754), (12648, 51136), (12784, 50592), (13056, 49538), (13583, 47616), (13872, 46624), (15872, 40749), (16864, 38352), (17484, 36992), (17918, 36096), (18048, 35836), (18496, 34968), (19176, 33728), (23312, 27744), (23808, 27166), (24064, 26877), (24769, 26112), (25296, 25568)]