261042912

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 240

約数和(自身を含む): 846945792

約数和(自身を除く): 585902880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 61, 72, 78, 81, 96, 104, 108, 117, 122, 127, 144, 156, 162, 183, 208, 216, 234, 244, 254, 288, 312, 324, 351, 366, 381, 416, 432, 468, 488, 508, 549, 624, 648, 702, 732, 762, 793, 864, 936, 976, 1016, 1053, 1098, 1143, 1248, 1296, 1404, 1464, 1524, 1586, 1647, 1651, 1872, 1952, 2032, 2106, 2196, 2286, 2379, 2592, 2808, 2928, 3048, 3172, 3294, 3302, 3429, 3744, 4064, 4212, 4392, 4572, 4758, 4941, 4953, 5616, 5856, 6096, 6344, 6588, 6604, 6858, 7137, 7747, 8424, 8784, 9144, 9516, 9882, 9906, 10287, 11232, 12192, 12688, 13176, 13208, 13716, 14274, 14859, 15494, 16848, 17568, 18288, 19032, 19764, 19812, 20574, 21411, 23241, 25376, 26352, 26416, 27432, 28548, 29718, 30988, 33696, 36576, 38064, 39528, 39624, 41148, 42822, 44577, 46482, 52704, 52832, 54864, 57096, 59436, 61976, 64233, 69723, 76128, 79056, 79248, 82296, 85644, 89154, 92964, 100711, 109728, 114192, 118872, 123952, 128466, 133731, 139446, 158112, 158496, 164592, 171288, 178308, 185928, 201422, 209169, 228384, 237744, 247904, 256932, 267462, 278892, 302133, 329184, 342576, 356616, 371856, 402844, 418338, 475488, 513864, 534924, 557784, 604266, 627507, 685152, 713232, 743712, 805688, 836676, 906399, 1027728, 1069848, 1115568, 1208532, 1255014, 1426464, 1611376, 1673352, 1812798, 2055456, 2139696, 2231136, 2417064, 2510028, 2719197, 3222752, 3346704, 3625596, 4279392, 4834128, 5020056, 5438394, 6693408, 7251192, 8157591, 9668256, 10040112, 10876788, 14502384, 16315182, 20080224, 21753576, 29004768, 32630364, 43507152, 65260728, 87014304, 130521456, 261042912]

約数ペア:

[(1, 261042912), (2, 130521456), (3, 87014304), (4, 65260728), (6, 43507152), (8, 32630364), (9, 29004768), (12, 21753576), (13, 20080224), (16, 16315182), (18, 14502384), (24, 10876788), (26, 10040112), (27, 9668256), (32, 8157591), (36, 7251192), (39, 6693408), (48, 5438394), (52, 5020056), (54, 4834128), (61, 4279392), (72, 3625596), (78, 3346704), (81, 3222752), (96, 2719197), (104, 2510028), (108, 2417064), (117, 2231136), (122, 2139696), (127, 2055456), (144, 1812798), (156, 1673352), (162, 1611376), (183, 1426464), (208, 1255014), (216, 1208532), (234, 1115568), (244, 1069848), (254, 1027728), (288, 906399), (312, 836676), (324, 805688), (351, 743712), (366, 713232), (381, 685152), (416, 627507), (432, 604266), (468, 557784), (488, 534924), (508, 513864), (549, 475488), (624, 418338), (648, 402844), (702, 371856), (732, 356616), (762, 342576), (793, 329184), (864, 302133), (936, 278892), (976, 267462), (1016, 256932), (1053, 247904), (1098, 237744), (1143, 228384), (1248, 209169), (1296, 201422), (1404, 185928), (1464, 178308), (1524, 171288), (1586, 164592), (1647, 158496), (1651, 158112), (1872, 139446), (1952, 133731), (2032, 128466), (2106, 123952), (2196, 118872), (2286, 114192), (2379, 109728), (2592, 100711), (2808, 92964), (2928, 89154), (3048, 85644), (3172, 82296), (3294, 79248), (3302, 79056), (3429, 76128), (3744, 69723), (4064, 64233), (4212, 61976), (4392, 59436), (4572, 57096), (4758, 54864), (4941, 52832), (4953, 52704), (5616, 46482), (5856, 44577), (6096, 42822), (6344, 41148), (6588, 39624), (6604, 39528), (6858, 38064), (7137, 36576), (7747, 33696), (8424, 30988), (8784, 29718), (9144, 28548), (9516, 27432), (9882, 26416), (9906, 26352), (10287, 25376), (11232, 23241), (12192, 21411), (12688, 20574), (13176, 19812), (13208, 19764), (13716, 19032), (14274, 18288), (14859, 17568), (15494, 16848)]