20804327640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{1949}}^1$

素因数の和:2314

約数の個数: 192

約数和(自身を含む): 68445000000

約数和(自身を除く): 47640672360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 199, 298, 360, 398, 447, 596, 597, 745, 796, 894, 995, 1192, 1194, 1341, 1490, 1592, 1788, 1791, 1949, 1990, 2235, 2388, 2682, 2980, 2985, 3576, 3582, 3898, 3980, 4470, 4776, 5364, 5847, 5960, 5970, 6705, 7164, 7796, 7960, 8940, 8955, 9745, 10728, 11694, 11940, 13410, 14328, 15592, 17541, 17880, 17910, 19490, 23388, 23880, 26820, 29235, 29651, 35082, 35820, 38980, 46776, 53640, 58470, 59302, 70164, 71640, 77960, 87705, 88953, 116940, 118604, 140328, 148255, 175410, 177906, 233880, 237208, 266859, 290401, 296510, 350820, 355812, 387851, 444765, 533718, 580802, 593020, 701640, 711624, 775702, 871203, 889530, 1067436, 1161604, 1163553, 1186040, 1334295, 1452005, 1551404, 1742406, 1779060, 1939255, 2134872, 2323208, 2327106, 2613609, 2668590, 2904010, 3102808, 3484812, 3490659, 3558120, 3878510, 4356015, 4654212, 5227218, 5337180, 5808020, 5817765, 6969624, 6981318, 7757020, 8712030, 9308424, 10454436, 10674360, 11616040, 11635530, 13068045, 13962636, 15514040, 17424060, 17453295, 20908872, 23271060, 26136090, 27925272, 34848120, 34906590, 46542120, 52272180, 57789799, 69813180, 104544360, 115579598, 139626360, 173369397, 231159196, 288948995, 346738794, 462318392, 520108191, 577897990, 693477588, 866846985, 1040216382, 1155795980, 1386955176, 1733693970, 2080432764, 2311591960, 2600540955, 3467387940, 4160865528, 5201081910, 6934775880, 10402163820, 20804327640]

約数ペア:

[(1, 20804327640), (2, 10402163820), (3, 6934775880), (4, 5201081910), (5, 4160865528), (6, 3467387940), (8, 2600540955), (9, 2311591960), (10, 2080432764), (12, 1733693970), (15, 1386955176), (18, 1155795980), (20, 1040216382), (24, 866846985), (30, 693477588), (36, 577897990), (40, 520108191), (45, 462318392), (60, 346738794), (72, 288948995), (90, 231159196), (120, 173369397), (149, 139626360), (180, 115579598), (199, 104544360), (298, 69813180), (360, 57789799), (398, 52272180), (447, 46542120), (596, 34906590), (597, 34848120), (745, 27925272), (796, 26136090), (894, 23271060), (995, 20908872), (1192, 17453295), (1194, 17424060), (1341, 15514040), (1490, 13962636), (1592, 13068045), (1788, 11635530), (1791, 11616040), (1949, 10674360), (1990, 10454436), (2235, 9308424), (2388, 8712030), (2682, 7757020), (2980, 6981318), (2985, 6969624), (3576, 5817765), (3582, 5808020), (3898, 5337180), (3980, 5227218), (4470, 4654212), (4776, 4356015), (5364, 3878510), (5847, 3558120), (5960, 3490659), (5970, 3484812), (6705, 3102808), (7164, 2904010), (7796, 2668590), (7960, 2613609), (8940, 2327106), (8955, 2323208), (9745, 2134872), (10728, 1939255), (11694, 1779060), (11940, 1742406), (13410, 1551404), (14328, 1452005), (15592, 1334295), (17541, 1186040), (17880, 1163553), (17910, 1161604), (19490, 1067436), (23388, 889530), (23880, 871203), (26820, 775702), (29235, 711624), (29651, 701640), (35082, 593020), (35820, 580802), (38980, 533718), (46776, 444765), (53640, 387851), (58470, 355812), (59302, 350820), (70164, 296510), (71640, 290401), (77960, 266859), (87705, 237208), (88953, 233880), (116940, 177906), (118604, 175410), (140328, 148255)]