261591552

素因数分解:

$2^9\times 3^3\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 785664000

約数和(自身を除く): 524072448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 127, 128, 144, 149, 192, 216, 254, 256, 288, 298, 381, 384, 432, 447, 508, 512, 576, 596, 762, 768, 864, 894, 1016, 1143, 1152, 1192, 1341, 1524, 1536, 1728, 1788, 2032, 2286, 2304, 2384, 2682, 3048, 3429, 3456, 3576, 4023, 4064, 4572, 4608, 4768, 5364, 6096, 6858, 6912, 7152, 8046, 8128, 9144, 9536, 10728, 12192, 13716, 13824, 14304, 16092, 16256, 18288, 18923, 19072, 21456, 24384, 27432, 28608, 32184, 32512, 36576, 37846, 38144, 42912, 48768, 54864, 56769, 57216, 64368, 65024, 73152, 75692, 76288, 85824, 97536, 109728, 113538, 114432, 128736, 146304, 151384, 170307, 171648, 195072, 219456, 227076, 228864, 257472, 292608, 302768, 340614, 343296, 438912, 454152, 510921, 514944, 585216, 605536, 681228, 686592, 877824, 908304, 1021842, 1029888, 1211072, 1362456, 1755648, 1816608, 2043684, 2059776, 2422144, 2724912, 3633216, 4087368, 4844288, 5449824, 7266432, 8174736, 9688576, 10899648, 14532864, 16349472, 21799296, 29065728, 32698944, 43598592, 65397888, 87197184, 130795776, 261591552]

約数ペア:

[(1, 261591552), (2, 130795776), (3, 87197184), (4, 65397888), (6, 43598592), (8, 32698944), (9, 29065728), (12, 21799296), (16, 16349472), (18, 14532864), (24, 10899648), (27, 9688576), (32, 8174736), (36, 7266432), (48, 5449824), (54, 4844288), (64, 4087368), (72, 3633216), (96, 2724912), (108, 2422144), (127, 2059776), (128, 2043684), (144, 1816608), (149, 1755648), (192, 1362456), (216, 1211072), (254, 1029888), (256, 1021842), (288, 908304), (298, 877824), (381, 686592), (384, 681228), (432, 605536), (447, 585216), (508, 514944), (512, 510921), (576, 454152), (596, 438912), (762, 343296), (768, 340614), (864, 302768), (894, 292608), (1016, 257472), (1143, 228864), (1152, 227076), (1192, 219456), (1341, 195072), (1524, 171648), (1536, 170307), (1728, 151384), (1788, 146304), (2032, 128736), (2286, 114432), (2304, 113538), (2384, 109728), (2682, 97536), (3048, 85824), (3429, 76288), (3456, 75692), (3576, 73152), (4023, 65024), (4064, 64368), (4572, 57216), (4608, 56769), (4768, 54864), (5364, 48768), (6096, 42912), (6858, 38144), (6912, 37846), (7152, 36576), (8046, 32512), (8128, 32184), (9144, 28608), (9536, 27432), (10728, 24384), (12192, 21456), (13716, 19072), (13824, 18923), (14304, 18288), (16092, 16256)]