638172864

素因数分解:

$2^6\times 3^3\times 7^2\times {\mathrm{7537}}^1$

素因数の和:7572

約数の個数: 168

約数和(自身を含む): 2182703280

約数和(自身を除く): 1544530416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 192, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 448, 504, 576, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1344, 1512, 1568, 1728, 1764, 2016, 2352, 2646, 3024, 3136, 3528, 4032, 4704, 5292, 6048, 7056, 7537, 9408, 10584, 12096, 14112, 15074, 21168, 22611, 28224, 30148, 42336, 45222, 52759, 60296, 67833, 84672, 90444, 105518, 120592, 135666, 158277, 180888, 203499, 211036, 241184, 271332, 316554, 361776, 369313, 406998, 422072, 474831, 482368, 542664, 633108, 723552, 738626, 813996, 844144, 949662, 1085328, 1107939, 1266216, 1424493, 1447104, 1477252, 1627992, 1688288, 1899324, 2170656, 2215878, 2532432, 2848986, 2954504, 3255984, 3323817, 3376576, 3798648, 4341312, 4431756, 5064864, 5697972, 5909008, 6511968, 6647634, 7597296, 8863512, 9971451, 10129728, 11395944, 11818016, 13023936, 13295268, 15194592, 17727024, 19942902, 22791888, 23636032, 26590536, 30389184, 35454048, 39885804, 45583776, 53181072, 70908096, 79771608, 91167552, 106362144, 159543216, 212724288, 319086432, 638172864]

約数ペア:

[(1, 638172864), (2, 319086432), (3, 212724288), (4, 159543216), (6, 106362144), (7, 91167552), (8, 79771608), (9, 70908096), (12, 53181072), (14, 45583776), (16, 39885804), (18, 35454048), (21, 30389184), (24, 26590536), (27, 23636032), (28, 22791888), (32, 19942902), (36, 17727024), (42, 15194592), (48, 13295268), (49, 13023936), (54, 11818016), (56, 11395944), (63, 10129728), (64, 9971451), (72, 8863512), (84, 7597296), (96, 6647634), (98, 6511968), (108, 5909008), (112, 5697972), (126, 5064864), (144, 4431756), (147, 4341312), (168, 3798648), (189, 3376576), (192, 3323817), (196, 3255984), (216, 2954504), (224, 2848986), (252, 2532432), (288, 2215878), (294, 2170656), (336, 1899324), (378, 1688288), (392, 1627992), (432, 1477252), (441, 1447104), (448, 1424493), (504, 1266216), (576, 1107939), (588, 1085328), (672, 949662), (756, 844144), (784, 813996), (864, 738626), (882, 723552), (1008, 633108), (1176, 542664), (1323, 482368), (1344, 474831), (1512, 422072), (1568, 406998), (1728, 369313), (1764, 361776), (2016, 316554), (2352, 271332), (2646, 241184), (3024, 211036), (3136, 203499), (3528, 180888), (4032, 158277), (4704, 135666), (5292, 120592), (6048, 105518), (7056, 90444), (7537, 84672), (9408, 67833), (10584, 60296), (12096, 52759), (14112, 45222), (15074, 42336), (21168, 30148), (22611, 28224)]