279807528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 256

約数和(自身を含む): 990259200

約数和(自身を除く): 710451672

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 19, 21, 22, 24, 26, 28, 33, 38, 39, 42, 44, 52, 56, 57, 66, 76, 77, 78, 84, 88, 91, 104, 114, 132, 133, 143, 152, 154, 156, 168, 182, 209, 228, 231, 247, 264, 266, 273, 286, 308, 312, 364, 399, 418, 429, 456, 462, 494, 532, 546, 572, 613, 616, 627, 728, 741, 798, 836, 858, 924, 988, 1001, 1064, 1092, 1144, 1226, 1254, 1463, 1482, 1596, 1672, 1716, 1729, 1839, 1848, 1976, 2002, 2184, 2452, 2508, 2717, 2926, 2964, 3003, 3192, 3432, 3458, 3678, 4004, 4291, 4389, 4904, 5016, 5187, 5434, 5852, 5928, 6006, 6743, 6916, 7356, 7969, 8008, 8151, 8582, 8778, 10374, 10868, 11647, 11704, 12012, 12873, 13486, 13832, 14712, 15938, 16302, 17164, 17556, 19019, 20229, 20748, 21736, 23294, 23907, 24024, 25746, 26972, 31876, 32604, 34328, 34941, 35112, 38038, 40458, 41496, 46588, 47201, 47814, 51492, 53944, 55783, 57057, 63752, 65208, 69882, 76076, 80916, 81529, 87659, 93176, 94402, 95628, 102984, 111566, 114114, 128117, 139764, 141603, 151411, 152152, 161832, 163058, 167349, 175318, 188804, 191256, 223132, 228228, 244587, 256234, 262977, 279528, 283206, 302822, 326116, 334698, 350636, 377608, 384351, 446264, 454233, 456456, 489174, 512468, 525954, 566412, 605644, 613613, 652232, 669396, 701272, 768702, 896819, 908466, 978348, 1024936, 1051908, 1059877, 1132824, 1211288, 1227226, 1338792, 1537404, 1665521, 1793638, 1816932, 1840839, 1956696, 2103816, 2119754, 2454452, 2690457, 3074808, 3179631, 3331042, 3587276, 3633864, 3681678, 4239508, 4908904, 4996563, 5380914, 6359262, 6662084, 7174552, 7363356, 8479016, 9993126, 10761828, 11658647, 12718524, 13324168, 14726712, 19986252, 21523656, 23317294, 25437048, 34975941, 39972504, 46634588, 69951882, 93269176, 139903764, 279807528]

約数ペア:

[(1, 279807528), (2, 139903764), (3, 93269176), (4, 69951882), (6, 46634588), (7, 39972504), (8, 34975941), (11, 25437048), (12, 23317294), (13, 21523656), (14, 19986252), (19, 14726712), (21, 13324168), (22, 12718524), (24, 11658647), (26, 10761828), (28, 9993126), (33, 8479016), (38, 7363356), (39, 7174552), (42, 6662084), (44, 6359262), (52, 5380914), (56, 4996563), (57, 4908904), (66, 4239508), (76, 3681678), (77, 3633864), (78, 3587276), (84, 3331042), (88, 3179631), (91, 3074808), (104, 2690457), (114, 2454452), (132, 2119754), (133, 2103816), (143, 1956696), (152, 1840839), (154, 1816932), (156, 1793638), (168, 1665521), (182, 1537404), (209, 1338792), (228, 1227226), (231, 1211288), (247, 1132824), (264, 1059877), (266, 1051908), (273, 1024936), (286, 978348), (308, 908466), (312, 896819), (364, 768702), (399, 701272), (418, 669396), (429, 652232), (456, 613613), (462, 605644), (494, 566412), (532, 525954), (546, 512468), (572, 489174), (613, 456456), (616, 454233), (627, 446264), (728, 384351), (741, 377608), (798, 350636), (836, 334698), (858, 326116), (924, 302822), (988, 283206), (1001, 279528), (1064, 262977), (1092, 256234), (1144, 244587), (1226, 228228), (1254, 223132), (1463, 191256), (1482, 188804), (1596, 175318), (1672, 167349), (1716, 163058), (1729, 161832), (1839, 152152), (1848, 151411), (1976, 141603), (2002, 139764), (2184, 128117), (2452, 114114), (2508, 111566), (2717, 102984), (2926, 95628), (2964, 94402), (3003, 93176), (3192, 87659), (3432, 81529), (3458, 80916), (3678, 76076), (4004, 69882), (4291, 65208), (4389, 63752), (4904, 57057), (5016, 55783), (5187, 53944), (5434, 51492), (5852, 47814), (5928, 47201), (6006, 46588), (6743, 41496), (6916, 40458), (7356, 38038), (7969, 35112), (8008, 34941), (8151, 34328), (8582, 32604), (8778, 31876), (10374, 26972), (10868, 25746), (11647, 24024), (11704, 23907), (12012, 23294), (12873, 21736), (13486, 20748), (13832, 20229), (14712, 19019), (15938, 17556), (16302, 17164)]