820512

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 2987712

約数和(自身を除く): 2167200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 37, 42, 44, 48, 56, 63, 66, 72, 74, 77, 84, 88, 96, 99, 111, 112, 126, 132, 144, 148, 154, 168, 176, 198, 222, 224, 231, 252, 259, 264, 288, 296, 308, 333, 336, 352, 396, 407, 444, 462, 504, 518, 528, 592, 616, 666, 672, 693, 777, 792, 814, 888, 924, 1008, 1036, 1056, 1184, 1221, 1232, 1332, 1386, 1554, 1584, 1628, 1776, 1848, 2016, 2072, 2331, 2442, 2464, 2664, 2772, 2849, 3108, 3168, 3256, 3552, 3663, 3696, 4144, 4662, 4884, 5328, 5544, 5698, 6216, 6512, 7326, 7392, 8288, 8547, 9324, 9768, 10656, 11088, 11396, 12432, 13024, 14652, 17094, 18648, 19536, 22176, 22792, 24864, 25641, 29304, 34188, 37296, 39072, 45584, 51282, 58608, 68376, 74592, 91168, 102564, 117216, 136752, 205128, 273504, 410256, 820512]

約数ペア:

[(1, 820512), (2, 410256), (3, 273504), (4, 205128), (6, 136752), (7, 117216), (8, 102564), (9, 91168), (11, 74592), (12, 68376), (14, 58608), (16, 51282), (18, 45584), (21, 39072), (22, 37296), (24, 34188), (28, 29304), (32, 25641), (33, 24864), (36, 22792), (37, 22176), (42, 19536), (44, 18648), (48, 17094), (56, 14652), (63, 13024), (66, 12432), (72, 11396), (74, 11088), (77, 10656), (84, 9768), (88, 9324), (96, 8547), (99, 8288), (111, 7392), (112, 7326), (126, 6512), (132, 6216), (144, 5698), (148, 5544), (154, 5328), (168, 4884), (176, 4662), (198, 4144), (222, 3696), (224, 3663), (231, 3552), (252, 3256), (259, 3168), (264, 3108), (288, 2849), (296, 2772), (308, 2664), (333, 2464), (336, 2442), (352, 2331), (396, 2072), (407, 2016), (444, 1848), (462, 1776), (504, 1628), (518, 1584), (528, 1554), (592, 1386), (616, 1332), (666, 1232), (672, 1221), (693, 1184), (777, 1056), (792, 1036), (814, 1008), (888, 924)]