31255840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 64544480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 43, 44, 55, 56, 59, 70, 77, 80, 86, 88, 110, 112, 118, 140, 154, 160, 172, 176, 215, 220, 224, 236, 280, 295, 301, 308, 344, 352, 385, 413, 430, 440, 472, 473, 560, 590, 602, 616, 649, 688, 770, 826, 860, 880, 944, 946, 1120, 1180, 1204, 1232, 1298, 1376, 1505, 1540, 1652, 1720, 1760, 1888, 1892, 2065, 2360, 2365, 2408, 2464, 2537, 2596, 3010, 3080, 3245, 3304, 3311, 3440, 3784, 4130, 4543, 4720, 4730, 4816, 5074, 5192, 6020, 6160, 6490, 6608, 6622, 6880, 7568, 8260, 9086, 9440, 9460, 9632, 10148, 10384, 12040, 12320, 12685, 12980, 13216, 13244, 15136, 16520, 16555, 17759, 18172, 18920, 20296, 20768, 22715, 24080, 25370, 25960, 26488, 27907, 33040, 33110, 35518, 36344, 37840, 40592, 45430, 48160, 50740, 51920, 52976, 55814, 66080, 66220, 71036, 72688, 75680, 81184, 88795, 90860, 101480, 103840, 105952, 111628, 132440, 139535, 142072, 145376, 177590, 181720, 195349, 202960, 223256, 264880, 279070, 284144, 355180, 363440, 390698, 405920, 446512, 529760, 558140, 568288, 710360, 726880, 781396, 893024, 976745, 1116280, 1420720, 1562792, 1953490, 2232560, 2841440, 3125584, 3906980, 4465120, 6251168, 7813960, 15627920, 31255840]

約数ペア:

[(1, 31255840), (2, 15627920), (4, 7813960), (5, 6251168), (7, 4465120), (8, 3906980), (10, 3125584), (11, 2841440), (14, 2232560), (16, 1953490), (20, 1562792), (22, 1420720), (28, 1116280), (32, 976745), (35, 893024), (40, 781396), (43, 726880), (44, 710360), (55, 568288), (56, 558140), (59, 529760), (70, 446512), (77, 405920), (80, 390698), (86, 363440), (88, 355180), (110, 284144), (112, 279070), (118, 264880), (140, 223256), (154, 202960), (160, 195349), (172, 181720), (176, 177590), (215, 145376), (220, 142072), (224, 139535), (236, 132440), (280, 111628), (295, 105952), (301, 103840), (308, 101480), (344, 90860), (352, 88795), (385, 81184), (413, 75680), (430, 72688), (440, 71036), (472, 66220), (473, 66080), (560, 55814), (590, 52976), (602, 51920), (616, 50740), (649, 48160), (688, 45430), (770, 40592), (826, 37840), (860, 36344), (880, 35518), (944, 33110), (946, 33040), (1120, 27907), (1180, 26488), (1204, 25960), (1232, 25370), (1298, 24080), (1376, 22715), (1505, 20768), (1540, 20296), (1652, 18920), (1720, 18172), (1760, 17759), (1888, 16555), (1892, 16520), (2065, 15136), (2360, 13244), (2365, 13216), (2408, 12980), (2464, 12685), (2537, 12320), (2596, 12040), (3010, 10384), (3080, 10148), (3245, 9632), (3304, 9460), (3311, 9440), (3440, 9086), (3784, 8260), (4130, 7568), (4543, 6880), (4720, 6622), (4730, 6608), (4816, 6490), (5074, 6160), (5192, 6020)]