640703184

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 1862023680

約数和(自身を除く): 1221320496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 66, 88, 118, 131, 132, 157, 176, 177, 236, 262, 264, 314, 354, 393, 471, 472, 524, 528, 628, 649, 708, 786, 942, 944, 1048, 1256, 1298, 1416, 1441, 1572, 1727, 1884, 1947, 2096, 2512, 2596, 2832, 2882, 3144, 3454, 3768, 3894, 4323, 5181, 5192, 5764, 6288, 6908, 7536, 7729, 7788, 8646, 9263, 10362, 10384, 11528, 13816, 15458, 15576, 17292, 18526, 20567, 20724, 23056, 23187, 27632, 27789, 30916, 31152, 34584, 37052, 41134, 41448, 46374, 55578, 61701, 61832, 69168, 74104, 82268, 82896, 85019, 92748, 101893, 111156, 123402, 123664, 148208, 164536, 170038, 185496, 203786, 222312, 226237, 246804, 255057, 305679, 329072, 340076, 370992, 407572, 444624, 452474, 493608, 510114, 611358, 678711, 680152, 815144, 904948, 987216, 1020228, 1213453, 1222716, 1357422, 1360304, 1630288, 1809896, 2040456, 2426906, 2445432, 2714844, 3619792, 3640359, 4080912, 4853812, 4890864, 5429688, 7280718, 9707624, 10859376, 13347983, 14561436, 19415248, 26695966, 29122872, 40043949, 53391932, 58245744, 80087898, 106783864, 160175796, 213567728, 320351592, 640703184]

約数ペア:

[(1, 640703184), (2, 320351592), (3, 213567728), (4, 160175796), (6, 106783864), (8, 80087898), (11, 58245744), (12, 53391932), (16, 40043949), (22, 29122872), (24, 26695966), (33, 19415248), (44, 14561436), (48, 13347983), (59, 10859376), (66, 9707624), (88, 7280718), (118, 5429688), (131, 4890864), (132, 4853812), (157, 4080912), (176, 3640359), (177, 3619792), (236, 2714844), (262, 2445432), (264, 2426906), (314, 2040456), (354, 1809896), (393, 1630288), (471, 1360304), (472, 1357422), (524, 1222716), (528, 1213453), (628, 1020228), (649, 987216), (708, 904948), (786, 815144), (942, 680152), (944, 678711), (1048, 611358), (1256, 510114), (1298, 493608), (1416, 452474), (1441, 444624), (1572, 407572), (1727, 370992), (1884, 340076), (1947, 329072), (2096, 305679), (2512, 255057), (2596, 246804), (2832, 226237), (2882, 222312), (3144, 203786), (3454, 185496), (3768, 170038), (3894, 164536), (4323, 148208), (5181, 123664), (5192, 123402), (5764, 111156), (6288, 101893), (6908, 92748), (7536, 85019), (7729, 82896), (7788, 82268), (8646, 74104), (9263, 69168), (10362, 61832), (10384, 61701), (11528, 55578), (13816, 46374), (15458, 41448), (15576, 41134), (17292, 37052), (18526, 34584), (20567, 31152), (20724, 30916), (23056, 27789), (23187, 27632)]