2643441920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 216

約数和(自身を含む): 7501741632

約数和(自身を除く): 4858299712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 307, 310, 320, 434, 448, 496, 560, 614, 620, 640, 868, 896, 961, 992, 1085, 1120, 1228, 1240, 1280, 1535, 1736, 1792, 1922, 1984, 2149, 2170, 2240, 2456, 2480, 3070, 3472, 3844, 3968, 4298, 4340, 4480, 4805, 4912, 4960, 6140, 6727, 6944, 7688, 7936, 8596, 8680, 8960, 9517, 9610, 9824, 9920, 10745, 12280, 13454, 13888, 15376, 17192, 17360, 19034, 19220, 19648, 19840, 21490, 24560, 26908, 27776, 30752, 33635, 34384, 34720, 38068, 38440, 39296, 39680, 42980, 47585, 49120, 53816, 55552, 61504, 66619, 67270, 68768, 69440, 76136, 76880, 78592, 85960, 95170, 98240, 107632, 123008, 133238, 134540, 137536, 138880, 152272, 153760, 171920, 190340, 196480, 215264, 246016, 266476, 269080, 275072, 277760, 295027, 304544, 307520, 333095, 343840, 380680, 392960, 430528, 532952, 538160, 550144, 590054, 609088, 615040, 666190, 687680, 761360, 861056, 1065904, 1076320, 1180108, 1218176, 1230080, 1332380, 1375360, 1475135, 1522720, 1722112, 2065189, 2131808, 2152640, 2360216, 2436352, 2664760, 2750720, 2950270, 3045440, 4130378, 4263616, 4305280, 4720432, 5329520, 5900540, 6090880, 8260756, 8527232, 8610560, 9440864, 10325945, 10659040, 11801080, 12181760, 16521512, 17054464, 18881728, 20651890, 21318080, 23602160, 33043024, 37763456, 41303780, 42636160, 47204320, 66086048, 75526912, 82607560, 85272320, 94408640, 132172096, 165215120, 188817280, 264344192, 330430240, 377634560, 528688384, 660860480, 1321720960, 2643441920]

約数ペア:

[(1, 2643441920), (2, 1321720960), (4, 660860480), (5, 528688384), (7, 377634560), (8, 330430240), (10, 264344192), (14, 188817280), (16, 165215120), (20, 132172096), (28, 94408640), (31, 85272320), (32, 82607560), (35, 75526912), (40, 66086048), (56, 47204320), (62, 42636160), (64, 41303780), (70, 37763456), (80, 33043024), (112, 23602160), (124, 21318080), (128, 20651890), (140, 18881728), (155, 17054464), (160, 16521512), (217, 12181760), (224, 11801080), (248, 10659040), (256, 10325945), (280, 9440864), (307, 8610560), (310, 8527232), (320, 8260756), (434, 6090880), (448, 5900540), (496, 5329520), (560, 4720432), (614, 4305280), (620, 4263616), (640, 4130378), (868, 3045440), (896, 2950270), (961, 2750720), (992, 2664760), (1085, 2436352), (1120, 2360216), (1228, 2152640), (1240, 2131808), (1280, 2065189), (1535, 1722112), (1736, 1522720), (1792, 1475135), (1922, 1375360), (1984, 1332380), (2149, 1230080), (2170, 1218176), (2240, 1180108), (2456, 1076320), (2480, 1065904), (3070, 861056), (3472, 761360), (3844, 687680), (3968, 666190), (4298, 615040), (4340, 609088), (4480, 590054), (4805, 550144), (4912, 538160), (4960, 532952), (6140, 430528), (6727, 392960), (6944, 380680), (7688, 343840), (7936, 333095), (8596, 307520), (8680, 304544), (8960, 295027), (9517, 277760), (9610, 275072), (9824, 269080), (9920, 266476), (10745, 246016), (12280, 215264), (13454, 196480), (13888, 190340), (15376, 171920), (17192, 153760), (17360, 152272), (19034, 138880), (19220, 137536), (19648, 134540), (19840, 133238), (21490, 123008), (24560, 107632), (26908, 98240), (27776, 95170), (30752, 85960), (33635, 78592), (34384, 76880), (34720, 76136), (38068, 69440), (38440, 68768), (39296, 67270), (39680, 66619), (42980, 61504), (47585, 55552), (49120, 53816)]