231371140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 216

約数和(自身を含む): 672924672

約数和(自身を除く): 441553532

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 127, 130, 140, 143, 154, 169, 182, 196, 220, 245, 254, 260, 286, 308, 338, 364, 385, 455, 490, 508, 539, 572, 635, 637, 676, 715, 770, 845, 889, 910, 980, 1001, 1078, 1183, 1270, 1274, 1397, 1430, 1540, 1651, 1690, 1778, 1820, 1859, 2002, 2156, 2366, 2540, 2548, 2695, 2794, 2860, 3185, 3302, 3380, 3556, 3718, 4004, 4445, 4732, 5005, 5390, 5588, 5915, 6223, 6370, 6604, 6985, 7007, 7436, 8255, 8281, 8890, 9295, 9779, 10010, 10780, 11557, 11830, 12446, 12740, 13013, 13970, 14014, 16510, 16562, 17780, 18161, 18590, 19558, 20020, 21463, 23114, 23660, 24892, 26026, 27940, 28028, 31115, 33020, 33124, 35035, 36322, 37180, 39116, 41405, 42926, 46228, 48895, 52052, 57785, 62230, 65065, 68453, 70070, 72644, 80899, 82810, 85852, 90805, 91091, 97790, 107315, 115570, 124460, 127127, 130130, 136906, 140140, 150241, 161798, 165620, 181610, 182182, 195580, 214630, 231140, 236093, 254254, 260260, 273812, 300482, 323596, 342265, 363220, 364364, 404495, 429260, 455455, 472186, 508508, 600964, 635635, 684530, 751205, 808990, 889889, 910910, 944372, 1051687, 1180465, 1271270, 1369060, 1502410, 1617980, 1652651, 1779778, 1821820, 2103374, 2360930, 2542540, 3004820, 3305302, 3559556, 4206748, 4449445, 4721860, 5258435, 6610604, 8263255, 8898890, 10516870, 11568557, 16526510, 17797780, 21033740, 23137114, 33053020, 46274228, 57842785, 115685570, 231371140]

約数ペア:

[(1, 231371140), (2, 115685570), (4, 57842785), (5, 46274228), (7, 33053020), (10, 23137114), (11, 21033740), (13, 17797780), (14, 16526510), (20, 11568557), (22, 10516870), (26, 8898890), (28, 8263255), (35, 6610604), (44, 5258435), (49, 4721860), (52, 4449445), (55, 4206748), (65, 3559556), (70, 3305302), (77, 3004820), (91, 2542540), (98, 2360930), (110, 2103374), (127, 1821820), (130, 1779778), (140, 1652651), (143, 1617980), (154, 1502410), (169, 1369060), (182, 1271270), (196, 1180465), (220, 1051687), (245, 944372), (254, 910910), (260, 889889), (286, 808990), (308, 751205), (338, 684530), (364, 635635), (385, 600964), (455, 508508), (490, 472186), (508, 455455), (539, 429260), (572, 404495), (635, 364364), (637, 363220), (676, 342265), (715, 323596), (770, 300482), (845, 273812), (889, 260260), (910, 254254), (980, 236093), (1001, 231140), (1078, 214630), (1183, 195580), (1270, 182182), (1274, 181610), (1397, 165620), (1430, 161798), (1540, 150241), (1651, 140140), (1690, 136906), (1778, 130130), (1820, 127127), (1859, 124460), (2002, 115570), (2156, 107315), (2366, 97790), (2540, 91091), (2548, 90805), (2695, 85852), (2794, 82810), (2860, 80899), (3185, 72644), (3302, 70070), (3380, 68453), (3556, 65065), (3718, 62230), (4004, 57785), (4445, 52052), (4732, 48895), (5005, 46228), (5390, 42926), (5588, 41405), (5915, 39116), (6223, 37180), (6370, 36322), (6604, 35035), (6985, 33124), (7007, 33020), (7436, 31115), (8255, 28028), (8281, 27940), (8890, 26026), (9295, 24892), (9779, 23660), (10010, 23114), (10780, 21463), (11557, 20020), (11830, 19558), (12446, 18590), (12740, 18161), (13013, 17780), (13970, 16562), (14014, 16510)]