280746144

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1067

約数の個数: 144

約数和(自身を含む): 919271808

約数和(自身を除く): 638525664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 157, 168, 224, 252, 288, 314, 336, 471, 504, 628, 672, 887, 942, 1008, 1099, 1256, 1413, 1774, 1884, 2016, 2198, 2512, 2661, 2826, 3297, 3548, 3768, 4396, 5024, 5322, 5652, 6209, 6594, 7096, 7536, 7983, 8792, 9891, 10644, 11304, 12418, 13188, 14192, 15072, 15966, 17584, 18627, 19782, 21288, 22608, 24836, 26376, 28384, 31932, 35168, 37254, 39564, 42576, 45216, 49672, 52752, 55881, 63864, 74508, 79128, 85152, 99344, 105504, 111762, 127728, 139259, 149016, 158256, 198688, 223524, 255456, 278518, 298032, 316512, 417777, 447048, 557036, 596064, 835554, 894096, 974813, 1114072, 1253331, 1671108, 1788192, 1949626, 2228144, 2506662, 2924439, 3342216, 3899252, 4456288, 5013324, 5848878, 6684432, 7798504, 8773317, 10026648, 11697756, 13368864, 15597008, 17546634, 20053296, 23395512, 31194016, 35093268, 40106592, 46791024, 70186536, 93582048, 140373072, 280746144]

約数ペア:

[(1, 280746144), (2, 140373072), (3, 93582048), (4, 70186536), (6, 46791024), (7, 40106592), (8, 35093268), (9, 31194016), (12, 23395512), (14, 20053296), (16, 17546634), (18, 15597008), (21, 13368864), (24, 11697756), (28, 10026648), (32, 8773317), (36, 7798504), (42, 6684432), (48, 5848878), (56, 5013324), (63, 4456288), (72, 3899252), (84, 3342216), (96, 2924439), (112, 2506662), (126, 2228144), (144, 1949626), (157, 1788192), (168, 1671108), (224, 1253331), (252, 1114072), (288, 974813), (314, 894096), (336, 835554), (471, 596064), (504, 557036), (628, 447048), (672, 417777), (887, 316512), (942, 298032), (1008, 278518), (1099, 255456), (1256, 223524), (1413, 198688), (1774, 158256), (1884, 149016), (2016, 139259), (2198, 127728), (2512, 111762), (2661, 105504), (2826, 99344), (3297, 85152), (3548, 79128), (3768, 74508), (4396, 63864), (5024, 55881), (5322, 52752), (5652, 49672), (6209, 45216), (6594, 42576), (7096, 39564), (7536, 37254), (7983, 35168), (8792, 31932), (9891, 28384), (10644, 26376), (11304, 24836), (12418, 22608), (13188, 21288), (14192, 19782), (15072, 18627), (15966, 17584)]