641252052

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 240

約数和(自身を含む): 2107607040

約数和(自身を除く): 1466354988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 27, 28, 36, 38, 42, 46, 54, 57, 63, 69, 76, 81, 84, 92, 108, 114, 126, 133, 138, 161, 162, 171, 189, 207, 228, 252, 266, 276, 322, 324, 342, 378, 399, 414, 437, 483, 513, 532, 567, 621, 644, 647, 684, 756, 798, 828, 874, 966, 1026, 1134, 1197, 1242, 1294, 1311, 1449, 1539, 1596, 1748, 1863, 1932, 1941, 2052, 2268, 2394, 2484, 2588, 2622, 2898, 3059, 3078, 3591, 3726, 3882, 3933, 4347, 4529, 4788, 5244, 5796, 5823, 6118, 6156, 7182, 7452, 7764, 7866, 8694, 9058, 9177, 10773, 11646, 11799, 12236, 12293, 13041, 13587, 14364, 14881, 15732, 17388, 17469, 18116, 18354, 21546, 23292, 23598, 24586, 26082, 27174, 27531, 29762, 34938, 35397, 36708, 36879, 40761, 43092, 44643, 47196, 49172, 52164, 52407, 54348, 55062, 59524, 69876, 70794, 73758, 81522, 82593, 86051, 89286, 104167, 104814, 110124, 110637, 122283, 133929, 141588, 147516, 163044, 165186, 172102, 178572, 208334, 209628, 221274, 244566, 247779, 258153, 267858, 282739, 312501, 330372, 331911, 344204, 366849, 401787, 416668, 442548, 489132, 495558, 516306, 535716, 565478, 625002, 663822, 733698, 774459, 803574, 848217, 937503, 991116, 995733, 1032612, 1130956, 1205361, 1250004, 1327644, 1467396, 1548918, 1607148, 1696434, 1875006, 1979173, 1991466, 2323377, 2410722, 2544651, 2812509, 3097836, 3392868, 3750012, 3958346, 3982932, 4646754, 4821444, 5089302, 5625018, 5937519, 6970131, 7633953, 7916692, 8437527, 9293508, 10178604, 11250036, 11875038, 13940262, 15267906, 16875054, 17812557, 22901859, 23750076, 27880524, 30535812, 33750108, 35625114, 45803718, 53437671, 71250228, 91607436, 106875342, 160313013, 213750684, 320626026, 641252052]

約数ペア:

[(1, 641252052), (2, 320626026), (3, 213750684), (4, 160313013), (6, 106875342), (7, 91607436), (9, 71250228), (12, 53437671), (14, 45803718), (18, 35625114), (19, 33750108), (21, 30535812), (23, 27880524), (27, 23750076), (28, 22901859), (36, 17812557), (38, 16875054), (42, 15267906), (46, 13940262), (54, 11875038), (57, 11250036), (63, 10178604), (69, 9293508), (76, 8437527), (81, 7916692), (84, 7633953), (92, 6970131), (108, 5937519), (114, 5625018), (126, 5089302), (133, 4821444), (138, 4646754), (161, 3982932), (162, 3958346), (171, 3750012), (189, 3392868), (207, 3097836), (228, 2812509), (252, 2544651), (266, 2410722), (276, 2323377), (322, 1991466), (324, 1979173), (342, 1875006), (378, 1696434), (399, 1607148), (414, 1548918), (437, 1467396), (483, 1327644), (513, 1250004), (532, 1205361), (567, 1130956), (621, 1032612), (644, 995733), (647, 991116), (684, 937503), (756, 848217), (798, 803574), (828, 774459), (874, 733698), (966, 663822), (1026, 625002), (1134, 565478), (1197, 535716), (1242, 516306), (1294, 495558), (1311, 489132), (1449, 442548), (1539, 416668), (1596, 401787), (1748, 366849), (1863, 344204), (1932, 331911), (1941, 330372), (2052, 312501), (2268, 282739), (2394, 267858), (2484, 258153), (2588, 247779), (2622, 244566), (2898, 221274), (3059, 209628), (3078, 208334), (3591, 178572), (3726, 172102), (3882, 165186), (3933, 163044), (4347, 147516), (4529, 141588), (4788, 133929), (5244, 122283), (5796, 110637), (5823, 110124), (6118, 104814), (6156, 104167), (7182, 89286), (7452, 86051), (7764, 82593), (7866, 81522), (8694, 73758), (9058, 70794), (9177, 69876), (10773, 59524), (11646, 55062), (11799, 54348), (12236, 52407), (12293, 52164), (13041, 49172), (13587, 47196), (14364, 44643), (14881, 43092), (15732, 40761), (17388, 36879), (17469, 36708), (18116, 35397), (18354, 34938), (21546, 29762), (23292, 27531), (23598, 27174), (24586, 26082)]