31243520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 93598848

約数和(自身を除く): 62355328

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 317, 320, 352, 385, 440, 448, 560, 616, 634, 640, 704, 770, 880, 896, 1120, 1232, 1268, 1280, 1408, 1540, 1585, 1760, 1792, 2219, 2240, 2464, 2536, 2816, 3080, 3170, 3487, 3520, 4438, 4480, 4928, 5072, 6160, 6340, 6974, 7040, 8876, 8960, 9856, 10144, 11095, 12320, 12680, 13948, 14080, 17435, 17752, 19712, 20288, 22190, 24409, 24640, 25360, 27896, 34870, 35504, 40576, 44380, 48818, 49280, 50720, 55792, 69740, 71008, 81152, 88760, 97636, 98560, 101440, 111584, 122045, 139480, 142016, 177520, 195272, 202880, 223168, 244090, 278960, 284032, 355040, 390544, 405760, 446336, 488180, 557920, 568064, 710080, 781088, 892672, 976360, 1115840, 1420160, 1562176, 1952720, 2231680, 2840320, 3124352, 3905440, 4463360, 6248704, 7810880, 15621760, 31243520]

約数ペア:

[(1, 31243520), (2, 15621760), (4, 7810880), (5, 6248704), (7, 4463360), (8, 3905440), (10, 3124352), (11, 2840320), (14, 2231680), (16, 1952720), (20, 1562176), (22, 1420160), (28, 1115840), (32, 976360), (35, 892672), (40, 781088), (44, 710080), (55, 568064), (56, 557920), (64, 488180), (70, 446336), (77, 405760), (80, 390544), (88, 355040), (110, 284032), (112, 278960), (128, 244090), (140, 223168), (154, 202880), (160, 195272), (176, 177520), (220, 142016), (224, 139480), (256, 122045), (280, 111584), (308, 101440), (317, 98560), (320, 97636), (352, 88760), (385, 81152), (440, 71008), (448, 69740), (560, 55792), (616, 50720), (634, 49280), (640, 48818), (704, 44380), (770, 40576), (880, 35504), (896, 34870), (1120, 27896), (1232, 25360), (1268, 24640), (1280, 24409), (1408, 22190), (1540, 20288), (1585, 19712), (1760, 17752), (1792, 17435), (2219, 14080), (2240, 13948), (2464, 12680), (2536, 12320), (2816, 11095), (3080, 10144), (3170, 9856), (3487, 8960), (3520, 8876), (4438, 7040), (4480, 6974), (4928, 6340), (5072, 6160)]