1721280456

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12241}}^1$

素因数の和:12297

約数の個数: 160

約数和(自身を含む): 5688122880

約数和(自身を除く): 3966842424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 81, 84, 93, 108, 124, 126, 162, 168, 186, 189, 216, 217, 248, 252, 279, 324, 372, 378, 434, 504, 558, 567, 648, 651, 744, 756, 837, 868, 1116, 1134, 1302, 1512, 1674, 1736, 1953, 2232, 2268, 2511, 2604, 3348, 3906, 4536, 5022, 5208, 5859, 6696, 7812, 10044, 11718, 12241, 15624, 17577, 20088, 23436, 24482, 35154, 36723, 46872, 48964, 70308, 73446, 85687, 97928, 110169, 140616, 146892, 171374, 220338, 257061, 293784, 330507, 342748, 379471, 440676, 514122, 661014, 685496, 758942, 771183, 881352, 991521, 1028244, 1138413, 1322028, 1517884, 1542366, 1983042, 2056488, 2276826, 2313549, 2644056, 2656297, 3035768, 3084732, 3415239, 3966084, 4553652, 4627098, 5312594, 6169464, 6830478, 6940647, 7932168, 7968891, 9107304, 9254196, 10245717, 10625188, 13660956, 13881294, 15937782, 18508392, 20491434, 21250376, 23906673, 27321912, 27762588, 30737151, 31875564, 40982868, 47813346, 55525176, 61474302, 63751128, 71720019, 81965736, 95626692, 122948604, 143440038, 191253384, 215160057, 245897208, 286880076, 430320114, 573760152, 860640228, 1721280456]

約数ペア:

[(1, 1721280456), (2, 860640228), (3, 573760152), (4, 430320114), (6, 286880076), (7, 245897208), (8, 215160057), (9, 191253384), (12, 143440038), (14, 122948604), (18, 95626692), (21, 81965736), (24, 71720019), (27, 63751128), (28, 61474302), (31, 55525176), (36, 47813346), (42, 40982868), (54, 31875564), (56, 30737151), (62, 27762588), (63, 27321912), (72, 23906673), (81, 21250376), (84, 20491434), (93, 18508392), (108, 15937782), (124, 13881294), (126, 13660956), (162, 10625188), (168, 10245717), (186, 9254196), (189, 9107304), (216, 7968891), (217, 7932168), (248, 6940647), (252, 6830478), (279, 6169464), (324, 5312594), (372, 4627098), (378, 4553652), (434, 3966084), (504, 3415239), (558, 3084732), (567, 3035768), (648, 2656297), (651, 2644056), (744, 2313549), (756, 2276826), (837, 2056488), (868, 1983042), (1116, 1542366), (1134, 1517884), (1302, 1322028), (1512, 1138413), (1674, 1028244), (1736, 991521), (1953, 881352), (2232, 771183), (2268, 758942), (2511, 685496), (2604, 661014), (3348, 514122), (3906, 440676), (4536, 379471), (5022, 342748), (5208, 330507), (5859, 293784), (6696, 257061), (7812, 220338), (10044, 171374), (11718, 146892), (12241, 140616), (15624, 110169), (17577, 97928), (20088, 85687), (23436, 73446), (24482, 70308), (35154, 48964), (36723, 46872)]