641435136

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:780

約数の個数: 160

約数和(自身を含む): 1859404800

約数和(自身を除く): 1217969664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 304, 372, 384, 456, 496, 512, 589, 608, 709, 744, 768, 912, 992, 1178, 1216, 1418, 1488, 1536, 1767, 1824, 1984, 2127, 2356, 2432, 2836, 2976, 3534, 3648, 3968, 4254, 4712, 4864, 5672, 5952, 7068, 7296, 7936, 8508, 9424, 9728, 11344, 11904, 13471, 14136, 14592, 15872, 17016, 18848, 21979, 22688, 23808, 26942, 28272, 29184, 34032, 37696, 40413, 43958, 45376, 47616, 53884, 56544, 65937, 68064, 75392, 80826, 87916, 90752, 107768, 113088, 131874, 136128, 150784, 161652, 175832, 181504, 215536, 226176, 263748, 272256, 301568, 323304, 351664, 363008, 417601, 431072, 452352, 527496, 544512, 646608, 703328, 835202, 862144, 904704, 1054992, 1089024, 1252803, 1293216, 1406656, 1670404, 1724288, 2109984, 2505606, 2586432, 2813312, 3340808, 3448576, 4219968, 5011212, 5172864, 5626624, 6681616, 6897152, 8439936, 10022424, 10345728, 11253248, 13363232, 16879872, 20044848, 20691456, 26726464, 33759744, 40089696, 53452928, 80179392, 106905856, 160358784, 213811712, 320717568, 641435136]

約数ペア:

[(1, 641435136), (2, 320717568), (3, 213811712), (4, 160358784), (6, 106905856), (8, 80179392), (12, 53452928), (16, 40089696), (19, 33759744), (24, 26726464), (31, 20691456), (32, 20044848), (38, 16879872), (48, 13363232), (57, 11253248), (62, 10345728), (64, 10022424), (76, 8439936), (93, 6897152), (96, 6681616), (114, 5626624), (124, 5172864), (128, 5011212), (152, 4219968), (186, 3448576), (192, 3340808), (228, 2813312), (248, 2586432), (256, 2505606), (304, 2109984), (372, 1724288), (384, 1670404), (456, 1406656), (496, 1293216), (512, 1252803), (589, 1089024), (608, 1054992), (709, 904704), (744, 862144), (768, 835202), (912, 703328), (992, 646608), (1178, 544512), (1216, 527496), (1418, 452352), (1488, 431072), (1536, 417601), (1767, 363008), (1824, 351664), (1984, 323304), (2127, 301568), (2356, 272256), (2432, 263748), (2836, 226176), (2976, 215536), (3534, 181504), (3648, 175832), (3968, 161652), (4254, 150784), (4712, 136128), (4864, 131874), (5672, 113088), (5952, 107768), (7068, 90752), (7296, 87916), (7936, 80826), (8508, 75392), (9424, 68064), (9728, 65937), (11344, 56544), (11904, 53884), (13471, 47616), (14136, 45376), (14592, 43958), (15872, 40413), (17016, 37696), (18848, 34032), (21979, 29184), (22688, 28272), (23808, 26942)]