2078956880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 240

約数和(自身を含む): 6528760704

約数和(自身を除く): 4449803824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 169, 176, 182, 208, 220, 260, 280, 286, 308, 338, 364, 385, 440, 455, 520, 560, 572, 616, 676, 715, 728, 770, 845, 880, 910, 1001, 1040, 1144, 1183, 1232, 1352, 1430, 1456, 1540, 1690, 1820, 1859, 1997, 2002, 2288, 2366, 2704, 2860, 3080, 3380, 3640, 3718, 3994, 4004, 4732, 5005, 5720, 5915, 6160, 6760, 7280, 7436, 7988, 8008, 9295, 9464, 9985, 10010, 11440, 11830, 13013, 13520, 13979, 14872, 15976, 16016, 18590, 18928, 19970, 20020, 21967, 23660, 25961, 26026, 27958, 29744, 31952, 37180, 39940, 40040, 43934, 47320, 51922, 52052, 55916, 65065, 69895, 74360, 79880, 80080, 87868, 94640, 103844, 104104, 109835, 111832, 129805, 130130, 139790, 148720, 153769, 159760, 175736, 181727, 207688, 208208, 219670, 223664, 259610, 260260, 279580, 285571, 307538, 337493, 351472, 363454, 415376, 439340, 519220, 520520, 559160, 571142, 615076, 674986, 726908, 768845, 878680, 908635, 1038440, 1041040, 1118320, 1142284, 1230152, 1349972, 1427855, 1453816, 1537690, 1687465, 1757360, 1817270, 1998997, 2076880, 2284568, 2362451, 2460304, 2699944, 2855710, 2907632, 3075380, 3374930, 3634540, 3712423, 3997994, 4569136, 4724902, 5399888, 5711420, 6150760, 6749860, 7269080, 7424846, 7995988, 9449804, 9994985, 11422840, 11812255, 12301520, 13499720, 14538160, 14849692, 15991976, 18562115, 18899608, 19989970, 22845680, 23624510, 25986961, 26999440, 29699384, 31983952, 37124230, 37799216, 39979940, 47249020, 51973922, 59398768, 74248460, 79959880, 94498040, 103947844, 129934805, 148496920, 159919760, 188996080, 207895688, 259869610, 296993840, 415791376, 519739220, 1039478440, 2078956880]

約数ペア:

[(1, 2078956880), (2, 1039478440), (4, 519739220), (5, 415791376), (7, 296993840), (8, 259869610), (10, 207895688), (11, 188996080), (13, 159919760), (14, 148496920), (16, 129934805), (20, 103947844), (22, 94498040), (26, 79959880), (28, 74248460), (35, 59398768), (40, 51973922), (44, 47249020), (52, 39979940), (55, 37799216), (56, 37124230), (65, 31983952), (70, 29699384), (77, 26999440), (80, 25986961), (88, 23624510), (91, 22845680), (104, 19989970), (110, 18899608), (112, 18562115), (130, 15991976), (140, 14849692), (143, 14538160), (154, 13499720), (169, 12301520), (176, 11812255), (182, 11422840), (208, 9994985), (220, 9449804), (260, 7995988), (280, 7424846), (286, 7269080), (308, 6749860), (338, 6150760), (364, 5711420), (385, 5399888), (440, 4724902), (455, 4569136), (520, 3997994), (560, 3712423), (572, 3634540), (616, 3374930), (676, 3075380), (715, 2907632), (728, 2855710), (770, 2699944), (845, 2460304), (880, 2362451), (910, 2284568), (1001, 2076880), (1040, 1998997), (1144, 1817270), (1183, 1757360), (1232, 1687465), (1352, 1537690), (1430, 1453816), (1456, 1427855), (1540, 1349972), (1690, 1230152), (1820, 1142284), (1859, 1118320), (1997, 1041040), (2002, 1038440), (2288, 908635), (2366, 878680), (2704, 768845), (2860, 726908), (3080, 674986), (3380, 615076), (3640, 571142), (3718, 559160), (3994, 520520), (4004, 519220), (4732, 439340), (5005, 415376), (5720, 363454), (5915, 351472), (6160, 337493), (6760, 307538), (7280, 285571), (7436, 279580), (7988, 260260), (8008, 259610), (9295, 223664), (9464, 219670), (9985, 208208), (10010, 207688), (11440, 181727), (11830, 175736), (13013, 159760), (13520, 153769), (13979, 148720), (14872, 139790), (15976, 130130), (16016, 129805), (18590, 111832), (18928, 109835), (19970, 104104), (20020, 103844), (21967, 94640), (23660, 87868), (25961, 80080), (26026, 79880), (27958, 74360), (29744, 69895), (31952, 65065), (37180, 55916), (39940, 52052), (40040, 51922), (43934, 47320)]