278378208

素因数分解:

$2^5\times 3^4\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:742

約数の個数: 120

約数和(自身を含む): 824198760

約数和(自身を除く): 545820552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 211, 216, 288, 324, 422, 432, 509, 633, 648, 844, 864, 1018, 1266, 1296, 1527, 1688, 1899, 2036, 2532, 2592, 3054, 3376, 3798, 4072, 4581, 5064, 5697, 6108, 6752, 7596, 8144, 9162, 10128, 11394, 12216, 13743, 15192, 16288, 17091, 18324, 20256, 22788, 24432, 27486, 30384, 34182, 36648, 41229, 45576, 48864, 54972, 60768, 68364, 73296, 82458, 91152, 107399, 109944, 136728, 146592, 164916, 182304, 214798, 219888, 273456, 322197, 329832, 429596, 439776, 546912, 644394, 659664, 859192, 966591, 1288788, 1319328, 1718384, 1933182, 2577576, 2899773, 3436768, 3866364, 5155152, 5799546, 7732728, 8699319, 10310304, 11599092, 15465456, 17398638, 23198184, 30930912, 34797276, 46396368, 69594552, 92792736, 139189104, 278378208]

約数ペア:

[(1, 278378208), (2, 139189104), (3, 92792736), (4, 69594552), (6, 46396368), (8, 34797276), (9, 30930912), (12, 23198184), (16, 17398638), (18, 15465456), (24, 11599092), (27, 10310304), (32, 8699319), (36, 7732728), (48, 5799546), (54, 5155152), (72, 3866364), (81, 3436768), (96, 2899773), (108, 2577576), (144, 1933182), (162, 1718384), (211, 1319328), (216, 1288788), (288, 966591), (324, 859192), (422, 659664), (432, 644394), (509, 546912), (633, 439776), (648, 429596), (844, 329832), (864, 322197), (1018, 273456), (1266, 219888), (1296, 214798), (1527, 182304), (1688, 164916), (1899, 146592), (2036, 136728), (2532, 109944), (2592, 107399), (3054, 91152), (3376, 82458), (3798, 73296), (4072, 68364), (4581, 60768), (5064, 54972), (5697, 48864), (6108, 45576), (6752, 41229), (7596, 36648), (8144, 34182), (9162, 30384), (10128, 27486), (11394, 24432), (12216, 22788), (13743, 20256), (15192, 18324), (16288, 17091)]