212347520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 256

約数和(自身を含む): 658022400

約数和(自身を除く): 445674880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 110, 112, 124, 128, 139, 140, 154, 155, 160, 176, 217, 220, 224, 248, 278, 280, 308, 310, 320, 341, 352, 385, 434, 440, 448, 496, 556, 560, 616, 620, 640, 682, 695, 704, 770, 868, 880, 896, 973, 992, 1085, 1112, 1120, 1232, 1240, 1364, 1390, 1408, 1529, 1540, 1705, 1736, 1760, 1946, 1984, 2170, 2224, 2240, 2387, 2464, 2480, 2728, 2780, 3058, 3080, 3410, 3472, 3520, 3892, 3968, 4309, 4340, 4448, 4480, 4774, 4865, 4928, 4960, 5456, 5560, 6116, 6160, 6820, 6944, 7040, 7645, 7784, 8618, 8680, 8896, 9548, 9730, 9856, 9920, 10703, 10912, 11120, 11935, 12232, 12320, 13640, 13888, 15290, 15568, 17236, 17360, 17792, 19096, 19460, 19840, 21406, 21545, 21824, 22240, 23870, 24464, 24640, 27280, 27776, 30163, 30580, 31136, 34472, 34720, 38192, 38920, 42812, 43090, 43648, 44480, 47399, 47740, 48928, 49280, 53515, 54560, 60326, 61160, 62272, 68944, 69440, 76384, 77840, 85624, 86180, 88960, 94798, 95480, 97856, 107030, 109120, 120652, 122320, 124544, 137888, 138880, 150815, 152768, 155680, 171248, 172360, 189596, 190960, 195712, 214060, 218240, 236995, 241304, 244640, 275776, 301630, 305536, 311360, 331793, 342496, 344720, 379192, 381920, 428120, 473990, 482608, 489280, 551552, 603260, 622720, 663586, 684992, 689440, 758384, 763840, 856240, 947980, 965216, 978560, 1206520, 1327172, 1369984, 1378880, 1516768, 1527680, 1658965, 1712480, 1895960, 1930432, 2413040, 2654344, 2757760, 3033536, 3317930, 3424960, 3791920, 3860864, 4826080, 5308688, 6067072, 6635860, 6849920, 7583840, 9652160, 10617376, 13271720, 15167680, 19304320, 21234752, 26543440, 30335360, 42469504, 53086880, 106173760, 212347520]

約数ペア:

[(1, 212347520), (2, 106173760), (4, 53086880), (5, 42469504), (7, 30335360), (8, 26543440), (10, 21234752), (11, 19304320), (14, 15167680), (16, 13271720), (20, 10617376), (22, 9652160), (28, 7583840), (31, 6849920), (32, 6635860), (35, 6067072), (40, 5308688), (44, 4826080), (55, 3860864), (56, 3791920), (62, 3424960), (64, 3317930), (70, 3033536), (77, 2757760), (80, 2654344), (88, 2413040), (110, 1930432), (112, 1895960), (124, 1712480), (128, 1658965), (139, 1527680), (140, 1516768), (154, 1378880), (155, 1369984), (160, 1327172), (176, 1206520), (217, 978560), (220, 965216), (224, 947980), (248, 856240), (278, 763840), (280, 758384), (308, 689440), (310, 684992), (320, 663586), (341, 622720), (352, 603260), (385, 551552), (434, 489280), (440, 482608), (448, 473990), (496, 428120), (556, 381920), (560, 379192), (616, 344720), (620, 342496), (640, 331793), (682, 311360), (695, 305536), (704, 301630), (770, 275776), (868, 244640), (880, 241304), (896, 236995), (973, 218240), (992, 214060), (1085, 195712), (1112, 190960), (1120, 189596), (1232, 172360), (1240, 171248), (1364, 155680), (1390, 152768), (1408, 150815), (1529, 138880), (1540, 137888), (1705, 124544), (1736, 122320), (1760, 120652), (1946, 109120), (1984, 107030), (2170, 97856), (2224, 95480), (2240, 94798), (2387, 88960), (2464, 86180), (2480, 85624), (2728, 77840), (2780, 76384), (3058, 69440), (3080, 68944), (3410, 62272), (3472, 61160), (3520, 60326), (3892, 54560), (3968, 53515), (4309, 49280), (4340, 48928), (4448, 47740), (4480, 47399), (4774, 44480), (4865, 43648), (4928, 43090), (4960, 42812), (5456, 38920), (5560, 38192), (6116, 34720), (6160, 34472), (6820, 31136), (6944, 30580), (7040, 30163), (7645, 27776), (7784, 27280), (8618, 24640), (8680, 24464), (8896, 23870), (9548, 22240), (9730, 21824), (9856, 21545), (9920, 21406), (10703, 19840), (10912, 19460), (11120, 19096), (11935, 17792), (12232, 17360), (12320, 17236), (13640, 15568), (13888, 15290)]