644768256

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1294

約数の個数: 160

約数和(自身を含む): 1935876096

約数和(自身を除く): 1291107840

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 256, 264, 341, 352, 372, 384, 496, 512, 528, 682, 704, 744, 768, 992, 1023, 1056, 1231, 1364, 1408, 1488, 1536, 1984, 2046, 2112, 2462, 2728, 2816, 2976, 3693, 3968, 4092, 4224, 4924, 5456, 5632, 5952, 7386, 7936, 8184, 8448, 9848, 10912, 11904, 13541, 14772, 15872, 16368, 16896, 19696, 21824, 23808, 27082, 29544, 32736, 38161, 39392, 40623, 43648, 47616, 54164, 59088, 65472, 76322, 78784, 81246, 87296, 108328, 114483, 118176, 130944, 152644, 157568, 162492, 174592, 216656, 228966, 236352, 261888, 305288, 315136, 324984, 419771, 433312, 457932, 472704, 523776, 610576, 630272, 649968, 839542, 866624, 915864, 945408, 1221152, 1259313, 1299936, 1679084, 1733248, 1831728, 1890816, 2442304, 2518626, 2599872, 3358168, 3466496, 3663456, 4884608, 5037252, 5199744, 6716336, 6932992, 7326912, 9769216, 10074504, 10399488, 13432672, 14653824, 19538432, 20149008, 20798976, 26865344, 29307648, 40298016, 53730688, 58615296, 80596032, 107461376, 161192064, 214922752, 322384128, 644768256]

約数ペア:

[(1, 644768256), (2, 322384128), (3, 214922752), (4, 161192064), (6, 107461376), (8, 80596032), (11, 58615296), (12, 53730688), (16, 40298016), (22, 29307648), (24, 26865344), (31, 20798976), (32, 20149008), (33, 19538432), (44, 14653824), (48, 13432672), (62, 10399488), (64, 10074504), (66, 9769216), (88, 7326912), (93, 6932992), (96, 6716336), (124, 5199744), (128, 5037252), (132, 4884608), (176, 3663456), (186, 3466496), (192, 3358168), (248, 2599872), (256, 2518626), (264, 2442304), (341, 1890816), (352, 1831728), (372, 1733248), (384, 1679084), (496, 1299936), (512, 1259313), (528, 1221152), (682, 945408), (704, 915864), (744, 866624), (768, 839542), (992, 649968), (1023, 630272), (1056, 610576), (1231, 523776), (1364, 472704), (1408, 457932), (1488, 433312), (1536, 419771), (1984, 324984), (2046, 315136), (2112, 305288), (2462, 261888), (2728, 236352), (2816, 228966), (2976, 216656), (3693, 174592), (3968, 162492), (4092, 157568), (4224, 152644), (4924, 130944), (5456, 118176), (5632, 114483), (5952, 108328), (7386, 87296), (7936, 81246), (8184, 78784), (8448, 76322), (9848, 65472), (10912, 59088), (11904, 54164), (13541, 47616), (14772, 43648), (15872, 40623), (16368, 39392), (16896, 38161), (19696, 32736), (21824, 29544), (23808, 27082)]