161791728

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 504729600

約数和(自身を除く): 342937872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 49, 56, 62, 84, 93, 98, 112, 124, 147, 168, 186, 196, 217, 248, 294, 317, 336, 343, 372, 392, 434, 496, 588, 634, 651, 686, 744, 784, 868, 951, 1029, 1176, 1268, 1302, 1372, 1488, 1519, 1736, 1902, 2058, 2219, 2352, 2536, 2604, 2744, 3038, 3472, 3804, 4116, 4438, 4557, 5072, 5208, 5488, 6076, 6657, 7608, 8232, 8876, 9114, 9827, 10416, 10633, 12152, 13314, 15216, 15533, 16464, 17752, 18228, 19654, 21266, 24304, 26628, 29481, 31066, 31899, 35504, 36456, 39308, 42532, 46599, 53256, 58962, 62132, 63798, 68789, 72912, 78616, 85064, 93198, 106512, 108731, 117924, 124264, 127596, 137578, 157232, 170128, 186396, 206367, 217462, 235848, 248528, 255192, 275156, 326193, 372792, 412734, 434924, 471696, 481523, 510384, 550312, 652386, 745584, 825468, 869848, 963046, 1100624, 1304772, 1444569, 1650936, 1739696, 1926092, 2609544, 2889138, 3301872, 3370661, 3852184, 5219088, 5778276, 6741322, 7704368, 10111983, 11556552, 13482644, 20223966, 23113104, 26965288, 40447932, 53930576, 80895864, 161791728]

約数ペア:

[(1, 161791728), (2, 80895864), (3, 53930576), (4, 40447932), (6, 26965288), (7, 23113104), (8, 20223966), (12, 13482644), (14, 11556552), (16, 10111983), (21, 7704368), (24, 6741322), (28, 5778276), (31, 5219088), (42, 3852184), (48, 3370661), (49, 3301872), (56, 2889138), (62, 2609544), (84, 1926092), (93, 1739696), (98, 1650936), (112, 1444569), (124, 1304772), (147, 1100624), (168, 963046), (186, 869848), (196, 825468), (217, 745584), (248, 652386), (294, 550312), (317, 510384), (336, 481523), (343, 471696), (372, 434924), (392, 412734), (434, 372792), (496, 326193), (588, 275156), (634, 255192), (651, 248528), (686, 235848), (744, 217462), (784, 206367), (868, 186396), (951, 170128), (1029, 157232), (1176, 137578), (1268, 127596), (1302, 124264), (1372, 117924), (1488, 108731), (1519, 106512), (1736, 93198), (1902, 85064), (2058, 78616), (2219, 72912), (2352, 68789), (2536, 63798), (2604, 62132), (2744, 58962), (3038, 53256), (3472, 46599), (3804, 42532), (4116, 39308), (4438, 36456), (4557, 35504), (5072, 31899), (5208, 31066), (5488, 29481), (6076, 26628), (6657, 24304), (7608, 21266), (8232, 19654), (8876, 18228), (9114, 17752), (9827, 16464), (10416, 15533), (10633, 15216), (12152, 13314)]