645288448

素因数分解:

$2^9\times 7^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 180

約数和(自身を含む): 1611132930

約数和(自身を除く): 965844482

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 89, 98, 112, 119, 128, 136, 178, 196, 224, 238, 256, 272, 289, 356, 392, 448, 476, 512, 544, 578, 623, 712, 784, 833, 896, 952, 1088, 1156, 1246, 1424, 1513, 1568, 1666, 1792, 1904, 2023, 2176, 2312, 2492, 2848, 3026, 3136, 3332, 3584, 3808, 4046, 4352, 4361, 4624, 4984, 5696, 6052, 6272, 6664, 7616, 8092, 8704, 8722, 9248, 9968, 10591, 11392, 12104, 12544, 13328, 14161, 15232, 16184, 17444, 18496, 19936, 21182, 22784, 24208, 25088, 25721, 26656, 28322, 30464, 32368, 34888, 36992, 39872, 42364, 45568, 48416, 51442, 53312, 56644, 60928, 64736, 69776, 73984, 74137, 79744, 84728, 96832, 102884, 106624, 113288, 129472, 139552, 147968, 148274, 159488, 169456, 180047, 193664, 205768, 213248, 226576, 258944, 279104, 296548, 318976, 338912, 360094, 387328, 411536, 426496, 453152, 517888, 558208, 593096, 677824, 720188, 774656, 823072, 906304, 1035776, 1116416, 1186192, 1260329, 1355648, 1440376, 1646144, 1812608, 2232832, 2372384, 2520658, 2711296, 2880752, 3292288, 3625216, 4744768, 5041316, 5422592, 5761504, 6584576, 7250432, 9489536, 10082632, 11523008, 13169152, 18979072, 20165264, 23046016, 37958144, 40330528, 46092032, 80661056, 92184064, 161322112, 322644224, 645288448]

約数ペア:

[(1, 645288448), (2, 322644224), (4, 161322112), (7, 92184064), (8, 80661056), (14, 46092032), (16, 40330528), (17, 37958144), (28, 23046016), (32, 20165264), (34, 18979072), (49, 13169152), (56, 11523008), (64, 10082632), (68, 9489536), (89, 7250432), (98, 6584576), (112, 5761504), (119, 5422592), (128, 5041316), (136, 4744768), (178, 3625216), (196, 3292288), (224, 2880752), (238, 2711296), (256, 2520658), (272, 2372384), (289, 2232832), (356, 1812608), (392, 1646144), (448, 1440376), (476, 1355648), (512, 1260329), (544, 1186192), (578, 1116416), (623, 1035776), (712, 906304), (784, 823072), (833, 774656), (896, 720188), (952, 677824), (1088, 593096), (1156, 558208), (1246, 517888), (1424, 453152), (1513, 426496), (1568, 411536), (1666, 387328), (1792, 360094), (1904, 338912), (2023, 318976), (2176, 296548), (2312, 279104), (2492, 258944), (2848, 226576), (3026, 213248), (3136, 205768), (3332, 193664), (3584, 180047), (3808, 169456), (4046, 159488), (4352, 148274), (4361, 147968), (4624, 139552), (4984, 129472), (5696, 113288), (6052, 106624), (6272, 102884), (6664, 96832), (7616, 84728), (8092, 79744), (8704, 74137), (8722, 73984), (9248, 69776), (9968, 64736), (10591, 60928), (11392, 56644), (12104, 53312), (12544, 51442), (13328, 48416), (14161, 45568), (15232, 42364), (16184, 39872), (17444, 36992), (18496, 34888), (19936, 32368), (21182, 30464), (22784, 28322), (24208, 26656), (25088, 25721)]