642387456

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1557

約数の個数: 160

約数和(自身を含む): 1964160000

約数和(自身を除く): 1321772544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 512, 558, 576, 744, 768, 837, 864, 992, 1116, 1152, 1488, 1499, 1536, 1674, 1728, 1984, 2232, 2304, 2976, 2998, 3348, 3456, 3968, 4464, 4497, 4608, 5952, 5996, 6696, 6912, 7936, 8928, 8994, 11904, 11992, 13392, 13491, 13824, 15872, 17856, 17988, 23808, 23984, 26784, 26982, 35712, 35976, 40473, 46469, 47616, 47968, 53568, 53964, 71424, 71952, 80946, 92938, 95936, 107136, 107928, 139407, 142848, 143904, 161892, 185876, 191872, 214272, 215856, 278814, 287808, 323784, 371752, 383744, 418221, 428544, 431712, 557628, 575616, 647568, 743504, 767488, 836442, 863424, 1115256, 1151232, 1254663, 1295136, 1487008, 1672884, 1726848, 2230512, 2302464, 2509326, 2590272, 2974016, 3345768, 3453696, 4461024, 5018652, 5180544, 5948032, 6691536, 6907392, 8922048, 10037304, 10361088, 11896064, 13383072, 17844096, 20074608, 20722176, 23792128, 26766144, 35688192, 40149216, 53532288, 71376384, 80298432, 107064576, 160596864, 214129152, 321193728, 642387456]

約数ペア:

[(1, 642387456), (2, 321193728), (3, 214129152), (4, 160596864), (6, 107064576), (8, 80298432), (9, 71376384), (12, 53532288), (16, 40149216), (18, 35688192), (24, 26766144), (27, 23792128), (31, 20722176), (32, 20074608), (36, 17844096), (48, 13383072), (54, 11896064), (62, 10361088), (64, 10037304), (72, 8922048), (93, 6907392), (96, 6691536), (108, 5948032), (124, 5180544), (128, 5018652), (144, 4461024), (186, 3453696), (192, 3345768), (216, 2974016), (248, 2590272), (256, 2509326), (279, 2302464), (288, 2230512), (372, 1726848), (384, 1672884), (432, 1487008), (496, 1295136), (512, 1254663), (558, 1151232), (576, 1115256), (744, 863424), (768, 836442), (837, 767488), (864, 743504), (992, 647568), (1116, 575616), (1152, 557628), (1488, 431712), (1499, 428544), (1536, 418221), (1674, 383744), (1728, 371752), (1984, 323784), (2232, 287808), (2304, 278814), (2976, 215856), (2998, 214272), (3348, 191872), (3456, 185876), (3968, 161892), (4464, 143904), (4497, 142848), (4608, 139407), (5952, 107928), (5996, 107136), (6696, 95936), (6912, 92938), (7936, 80946), (8928, 71952), (8994, 71424), (11904, 53964), (11992, 53568), (13392, 47968), (13491, 47616), (13824, 46469), (15872, 40473), (17856, 35976), (17988, 35712), (23808, 26982), (23984, 26784)]