17991207920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:560

約数の個数: 320

約数和(自身を含む): 52496640000

約数和(自身を除く): 34505432080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 199, 203, 232, 266, 280, 290, 293, 304, 380, 398, 406, 464, 532, 551, 560, 580, 586, 665, 760, 796, 812, 995, 1015, 1064, 1102, 1160, 1172, 1330, 1393, 1465, 1520, 1592, 1624, 1990, 2030, 2051, 2128, 2204, 2320, 2344, 2660, 2755, 2786, 2930, 3184, 3248, 3781, 3857, 3980, 4060, 4102, 4408, 4688, 5320, 5510, 5567, 5572, 5771, 5860, 6965, 7562, 7714, 7960, 8120, 8204, 8497, 8816, 10255, 10640, 11020, 11134, 11144, 11542, 11720, 13930, 15124, 15428, 15920, 16240, 16408, 16994, 18905, 19285, 20510, 22040, 22268, 22288, 23084, 23440, 26467, 27835, 27860, 28855, 30248, 30856, 32816, 33988, 37810, 38570, 38969, 40397, 41020, 42485, 44080, 44536, 46168, 52934, 55670, 55720, 57710, 58307, 59479, 60496, 61712, 67976, 75620, 77140, 77938, 80794, 82040, 84970, 89072, 92336, 105868, 109649, 111340, 111440, 115420, 116614, 118958, 132335, 135952, 151240, 154280, 155876, 161443, 161588, 164080, 169940, 194845, 201985, 211736, 219298, 222680, 230840, 233228, 237916, 264670, 291535, 297395, 302480, 308560, 311752, 322886, 323176, 339880, 389690, 403970, 408149, 423472, 438596, 445360, 461680, 466456, 475832, 529340, 548245, 583070, 594790, 623504, 645772, 646352, 679760, 767543, 779380, 807215, 807940, 816298, 877192, 932912, 951664, 1058680, 1096490, 1107833, 1130101, 1166140, 1189580, 1291544, 1535086, 1558760, 1614430, 1615880, 1632596, 1690903, 1754384, 2040745, 2117360, 2192980, 2215666, 2260202, 2332280, 2379160, 2583088, 3070172, 3117520, 3228860, 3231760, 3265192, 3381806, 3837715, 4081490, 4385960, 4431332, 4520404, 4664560, 4758320, 5539165, 5650505, 6140344, 6457720, 6530384, 6763612, 7675430, 7754831, 8162980, 8454515, 8771920, 8862664, 9040808, 11078330, 11301010, 11836321, 12280688, 12915440, 13527224, 15350860, 15509662, 16325960, 16909030, 17725328, 18081616, 22156660, 22602020, 23672642, 27054448, 30701720, 31019324, 32127157, 32651920, 33818060, 38774155, 44313320, 45204040, 47345284, 59181605, 61403440, 62038648, 64254314, 67636120, 77548310, 88626640, 90408080, 94690568, 118363210, 124077296, 128508628, 135272240, 155096620, 160635785, 189381136, 224890099, 236726420, 257017256, 310193240, 321271570, 449780198, 473452840, 514034512, 620386480, 642543140, 899560396, 946905680, 1124450495, 1285086280, 1799120792, 2248900990, 2570172560, 3598241584, 4497801980, 8995603960, 17991207920]

約数ペア:

[(1, 17991207920), (2, 8995603960), (4, 4497801980), (5, 3598241584), (7, 2570172560), (8, 2248900990), (10, 1799120792), (14, 1285086280), (16, 1124450495), (19, 946905680), (20, 899560396), (28, 642543140), (29, 620386480), (35, 514034512), (38, 473452840), (40, 449780198), (56, 321271570), (58, 310193240), (70, 257017256), (76, 236726420), (80, 224890099), (95, 189381136), (112, 160635785), (116, 155096620), (133, 135272240), (140, 128508628), (145, 124077296), (152, 118363210), (190, 94690568), (199, 90408080), (203, 88626640), (232, 77548310), (266, 67636120), (280, 64254314), (290, 62038648), (293, 61403440), (304, 59181605), (380, 47345284), (398, 45204040), (406, 44313320), (464, 38774155), (532, 33818060), (551, 32651920), (560, 32127157), (580, 31019324), (586, 30701720), (665, 27054448), (760, 23672642), (796, 22602020), (812, 22156660), (995, 18081616), (1015, 17725328), (1064, 16909030), (1102, 16325960), (1160, 15509662), (1172, 15350860), (1330, 13527224), (1393, 12915440), (1465, 12280688), (1520, 11836321), (1592, 11301010), (1624, 11078330), (1990, 9040808), (2030, 8862664), (2051, 8771920), (2128, 8454515), (2204, 8162980), (2320, 7754831), (2344, 7675430), (2660, 6763612), (2755, 6530384), (2786, 6457720), (2930, 6140344), (3184, 5650505), (3248, 5539165), (3781, 4758320), (3857, 4664560), (3980, 4520404), (4060, 4431332), (4102, 4385960), (4408, 4081490), (4688, 3837715), (5320, 3381806), (5510, 3265192), (5567, 3231760), (5572, 3228860), (5771, 3117520), (5860, 3070172), (6965, 2583088), (7562, 2379160), (7714, 2332280), (7960, 2260202), (8120, 2215666), (8204, 2192980), (8497, 2117360), (8816, 2040745), (10255, 1754384), (10640, 1690903), (11020, 1632596), (11134, 1615880), (11144, 1614430), (11542, 1558760), (11720, 1535086), (13930, 1291544), (15124, 1189580), (15428, 1166140), (15920, 1130101), (16240, 1107833), (16408, 1096490), (16994, 1058680), (18905, 951664), (19285, 932912), (20510, 877192), (22040, 816298), (22268, 807940), (22288, 807215), (23084, 779380), (23440, 767543), (26467, 679760), (27835, 646352), (27860, 645772), (28855, 623504), (30248, 594790), (30856, 583070), (32816, 548245), (33988, 529340), (37810, 475832), (38570, 466456), (38969, 461680), (40397, 445360), (41020, 438596), (42485, 423472), (44080, 408149), (44536, 403970), (46168, 389690), (52934, 339880), (55670, 323176), (55720, 322886), (57710, 311752), (58307, 308560), (59479, 302480), (60496, 297395), (61712, 291535), (67976, 264670), (75620, 237916), (77140, 233228), (77938, 230840), (80794, 222680), (82040, 219298), (84970, 211736), (89072, 201985), (92336, 194845), (105868, 169940), (109649, 164080), (111340, 161588), (111440, 161443), (115420, 155876), (116614, 154280), (118958, 151240), (132335, 135952)]