20485024800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2248

約数の個数: 288

約数和(自身を含む): 70532985600

約数和(自身を除く): 50047960800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 96, 100, 114, 120, 150, 152, 160, 190, 200, 227, 228, 240, 285, 300, 304, 380, 400, 454, 456, 475, 480, 570, 600, 608, 681, 760, 800, 908, 912, 950, 1135, 1140, 1200, 1362, 1425, 1520, 1816, 1824, 1900, 1979, 2270, 2280, 2400, 2724, 2850, 3040, 3405, 3632, 3800, 3958, 4313, 4540, 4560, 5448, 5675, 5700, 5937, 6810, 7264, 7600, 7916, 8626, 9080, 9120, 9895, 10896, 11350, 11400, 11874, 12939, 13620, 15200, 15832, 17025, 17252, 18160, 19790, 21565, 21792, 22700, 22800, 23748, 25878, 27240, 29685, 31664, 34050, 34504, 36320, 37601, 39580, 43130, 45400, 45600, 47496, 49475, 51756, 54480, 59370, 63328, 64695, 68100, 69008, 75202, 79160, 86260, 90800, 94992, 98950, 103512, 107825, 108960, 112803, 118740, 129390, 136200, 138016, 148425, 150404, 158320, 172520, 181600, 188005, 189984, 197900, 207024, 215650, 225606, 237480, 258780, 272400, 296850, 300808, 316640, 323475, 345040, 376010, 395800, 414048, 431300, 449233, 451212, 474960, 517560, 544800, 564015, 593700, 601616, 646950, 690080, 752020, 791600, 862600, 898466, 902424, 940025, 949920, 1035120, 1128030, 1187400, 1203232, 1293900, 1347699, 1504040, 1583200, 1725200, 1796932, 1804848, 1880050, 2070240, 2246165, 2256060, 2374800, 2587800, 2695398, 2820075, 3008080, 3450400, 3593864, 3609696, 3760100, 4492330, 4512120, 4749600, 5175600, 5390796, 5640150, 6016160, 6738495, 7187728, 7520200, 8535427, 8984660, 9024240, 10351200, 10781592, 11230825, 11280300, 13476990, 14375456, 15040400, 17070854, 17969320, 18048480, 21563184, 22461650, 22560600, 25606281, 26953980, 30080800, 33692475, 34141708, 35938640, 42677135, 43126368, 44923300, 45121200, 51212562, 53907960, 67384950, 68283416, 71877280, 85354270, 89846600, 90242400, 102425124, 107815920, 128031405, 134769900, 136566832, 170708540, 179693200, 204850248, 213385675, 215631840, 256062810, 269539800, 273133664, 341417080, 359386400, 409700496, 426771350, 512125620, 539079600, 640157025, 682834160, 819400992, 853542700, 1024251240, 1078159200, 1280314050, 1365668320, 1707085400, 2048502480, 2560628100, 3414170800, 4097004960, 5121256200, 6828341600, 10242512400, 20485024800]

約数ペア:

[(1, 20485024800), (2, 10242512400), (3, 6828341600), (4, 5121256200), (5, 4097004960), (6, 3414170800), (8, 2560628100), (10, 2048502480), (12, 1707085400), (15, 1365668320), (16, 1280314050), (19, 1078159200), (20, 1024251240), (24, 853542700), (25, 819400992), (30, 682834160), (32, 640157025), (38, 539079600), (40, 512125620), (48, 426771350), (50, 409700496), (57, 359386400), (60, 341417080), (75, 273133664), (76, 269539800), (80, 256062810), (95, 215631840), (96, 213385675), (100, 204850248), (114, 179693200), (120, 170708540), (150, 136566832), (152, 134769900), (160, 128031405), (190, 107815920), (200, 102425124), (227, 90242400), (228, 89846600), (240, 85354270), (285, 71877280), (300, 68283416), (304, 67384950), (380, 53907960), (400, 51212562), (454, 45121200), (456, 44923300), (475, 43126368), (480, 42677135), (570, 35938640), (600, 34141708), (608, 33692475), (681, 30080800), (760, 26953980), (800, 25606281), (908, 22560600), (912, 22461650), (950, 21563184), (1135, 18048480), (1140, 17969320), (1200, 17070854), (1362, 15040400), (1425, 14375456), (1520, 13476990), (1816, 11280300), (1824, 11230825), (1900, 10781592), (1979, 10351200), (2270, 9024240), (2280, 8984660), (2400, 8535427), (2724, 7520200), (2850, 7187728), (3040, 6738495), (3405, 6016160), (3632, 5640150), (3800, 5390796), (3958, 5175600), (4313, 4749600), (4540, 4512120), (4560, 4492330), (5448, 3760100), (5675, 3609696), (5700, 3593864), (5937, 3450400), (6810, 3008080), (7264, 2820075), (7600, 2695398), (7916, 2587800), (8626, 2374800), (9080, 2256060), (9120, 2246165), (9895, 2070240), (10896, 1880050), (11350, 1804848), (11400, 1796932), (11874, 1725200), (12939, 1583200), (13620, 1504040), (15200, 1347699), (15832, 1293900), (17025, 1203232), (17252, 1187400), (18160, 1128030), (19790, 1035120), (21565, 949920), (21792, 940025), (22700, 902424), (22800, 898466), (23748, 862600), (25878, 791600), (27240, 752020), (29685, 690080), (31664, 646950), (34050, 601616), (34504, 593700), (36320, 564015), (37601, 544800), (39580, 517560), (43130, 474960), (45400, 451212), (45600, 449233), (47496, 431300), (49475, 414048), (51756, 395800), (54480, 376010), (59370, 345040), (63328, 323475), (64695, 316640), (68100, 300808), (69008, 296850), (75202, 272400), (79160, 258780), (86260, 237480), (90800, 225606), (94992, 215650), (98950, 207024), (103512, 197900), (107825, 189984), (108960, 188005), (112803, 181600), (118740, 172520), (129390, 158320), (136200, 150404), (138016, 148425)]