641288760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1810

約数の個数: 256

約数和(自身を含む): 2416435200

約数和(自身を除く): 1775146440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 56, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 120, 133, 138, 140, 152, 161, 168, 184, 190, 210, 228, 230, 266, 276, 280, 285, 322, 345, 380, 399, 420, 437, 456, 460, 483, 532, 552, 570, 644, 665, 690, 760, 798, 805, 840, 874, 920, 966, 1064, 1140, 1288, 1311, 1330, 1380, 1596, 1610, 1747, 1748, 1932, 1995, 2185, 2280, 2415, 2622, 2660, 2760, 3059, 3192, 3220, 3494, 3496, 3864, 3990, 4370, 4830, 5241, 5244, 5320, 6118, 6440, 6555, 6988, 7980, 8735, 8740, 9177, 9660, 10482, 10488, 12229, 12236, 13110, 13976, 15295, 15960, 17470, 17480, 18354, 19320, 20964, 24458, 24472, 26205, 26220, 30590, 33193, 34940, 36687, 36708, 40181, 41928, 45885, 48916, 52410, 52440, 61145, 61180, 66386, 69880, 73374, 73416, 80362, 91770, 97832, 99579, 104820, 120543, 122290, 122360, 132772, 146748, 160724, 165965, 183435, 183540, 199158, 200905, 209640, 232351, 241086, 244580, 265544, 281267, 293496, 321448, 331930, 366870, 367080, 398316, 401810, 464702, 482172, 489160, 497895, 562534, 602715, 663860, 697053, 733740, 763439, 796632, 803620, 843801, 929404, 964344, 995790, 1125068, 1161755, 1205430, 1327720, 1394106, 1406335, 1467480, 1526878, 1607240, 1687602, 1858808, 1991580, 2250136, 2290317, 2323510, 2410860, 2788212, 2812670, 3053756, 3375204, 3485265, 3817195, 3983160, 4219005, 4580634, 4647020, 4821720, 5344073, 5576424, 5625340, 6107512, 6750408, 6970530, 7634390, 8438010, 9161268, 9294040, 10688146, 11250680, 11451585, 13941060, 15268780, 16032219, 16876020, 18322536, 21376292, 22903170, 26720365, 27882120, 30537560, 32064438, 33752040, 42752584, 45806340, 53440730, 64128876, 80161095, 91612680, 106881460, 128257752, 160322190, 213762920, 320644380, 641288760]

約数ペア:

[(1, 641288760), (2, 320644380), (3, 213762920), (4, 160322190), (5, 128257752), (6, 106881460), (7, 91612680), (8, 80161095), (10, 64128876), (12, 53440730), (14, 45806340), (15, 42752584), (19, 33752040), (20, 32064438), (21, 30537560), (23, 27882120), (24, 26720365), (28, 22903170), (30, 21376292), (35, 18322536), (38, 16876020), (40, 16032219), (42, 15268780), (46, 13941060), (56, 11451585), (57, 11250680), (60, 10688146), (69, 9294040), (70, 9161268), (76, 8438010), (84, 7634390), (92, 6970530), (95, 6750408), (105, 6107512), (114, 5625340), (115, 5576424), (120, 5344073), (133, 4821720), (138, 4647020), (140, 4580634), (152, 4219005), (161, 3983160), (168, 3817195), (184, 3485265), (190, 3375204), (210, 3053756), (228, 2812670), (230, 2788212), (266, 2410860), (276, 2323510), (280, 2290317), (285, 2250136), (322, 1991580), (345, 1858808), (380, 1687602), (399, 1607240), (420, 1526878), (437, 1467480), (456, 1406335), (460, 1394106), (483, 1327720), (532, 1205430), (552, 1161755), (570, 1125068), (644, 995790), (665, 964344), (690, 929404), (760, 843801), (798, 803620), (805, 796632), (840, 763439), (874, 733740), (920, 697053), (966, 663860), (1064, 602715), (1140, 562534), (1288, 497895), (1311, 489160), (1330, 482172), (1380, 464702), (1596, 401810), (1610, 398316), (1747, 367080), (1748, 366870), (1932, 331930), (1995, 321448), (2185, 293496), (2280, 281267), (2415, 265544), (2622, 244580), (2660, 241086), (2760, 232351), (3059, 209640), (3192, 200905), (3220, 199158), (3494, 183540), (3496, 183435), (3864, 165965), (3990, 160724), (4370, 146748), (4830, 132772), (5241, 122360), (5244, 122290), (5320, 120543), (6118, 104820), (6440, 99579), (6555, 97832), (6988, 91770), (7980, 80362), (8735, 73416), (8740, 73374), (9177, 69880), (9660, 66386), (10482, 61180), (10488, 61145), (12229, 52440), (12236, 52410), (13110, 48916), (13976, 45885), (15295, 41928), (15960, 40181), (17470, 36708), (17480, 36687), (18354, 34940), (19320, 33193), (20964, 30590), (24458, 26220), (24472, 26205)]