720967520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 2115953280

約数和(自身を除く): 1394985760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 293, 338, 364, 416, 455, 520, 560, 586, 676, 728, 845, 910, 1040, 1120, 1172, 1183, 1352, 1456, 1465, 1690, 1820, 2051, 2080, 2197, 2344, 2366, 2704, 2912, 2930, 3380, 3640, 3809, 4102, 4394, 4688, 4732, 5408, 5860, 5915, 6760, 7280, 7618, 8204, 8788, 9376, 9464, 10255, 10985, 11720, 11830, 13520, 14560, 15236, 15379, 16408, 17576, 18928, 19045, 20510, 21970, 23440, 23660, 26663, 27040, 30472, 30758, 32816, 35152, 37856, 38090, 41020, 43940, 46880, 47320, 49517, 53326, 60944, 61516, 65632, 70304, 76180, 76895, 82040, 87880, 94640, 99034, 106652, 121888, 123032, 133315, 152360, 153790, 164080, 175760, 189280, 198068, 213304, 246064, 247585, 266630, 304720, 307580, 328160, 346619, 351520, 396136, 426608, 492128, 495170, 533260, 609440, 615160, 643721, 693238, 792272, 853216, 990340, 1066520, 1230320, 1287442, 1386476, 1584544, 1733095, 1980680, 2133040, 2460640, 2574884, 2772952, 3218605, 3466190, 3961360, 4266080, 4506047, 5149768, 5545904, 6437210, 6932380, 7922720, 9012094, 10299536, 11091808, 12874420, 13864760, 18024188, 20599072, 22530235, 25748840, 27729520, 36048376, 45060470, 51497680, 55459040, 72096752, 90120940, 102995360, 144193504, 180241880, 360483760, 720967520]

約数ペア:

[(1, 720967520), (2, 360483760), (4, 180241880), (5, 144193504), (7, 102995360), (8, 90120940), (10, 72096752), (13, 55459040), (14, 51497680), (16, 45060470), (20, 36048376), (26, 27729520), (28, 25748840), (32, 22530235), (35, 20599072), (40, 18024188), (52, 13864760), (56, 12874420), (65, 11091808), (70, 10299536), (80, 9012094), (91, 7922720), (104, 6932380), (112, 6437210), (130, 5545904), (140, 5149768), (160, 4506047), (169, 4266080), (182, 3961360), (208, 3466190), (224, 3218605), (260, 2772952), (280, 2574884), (293, 2460640), (338, 2133040), (364, 1980680), (416, 1733095), (455, 1584544), (520, 1386476), (560, 1287442), (586, 1230320), (676, 1066520), (728, 990340), (845, 853216), (910, 792272), (1040, 693238), (1120, 643721), (1172, 615160), (1183, 609440), (1352, 533260), (1456, 495170), (1465, 492128), (1690, 426608), (1820, 396136), (2051, 351520), (2080, 346619), (2197, 328160), (2344, 307580), (2366, 304720), (2704, 266630), (2912, 247585), (2930, 246064), (3380, 213304), (3640, 198068), (3809, 189280), (4102, 175760), (4394, 164080), (4688, 153790), (4732, 152360), (5408, 133315), (5860, 123032), (5915, 121888), (6760, 106652), (7280, 99034), (7618, 94640), (8204, 87880), (8788, 82040), (9376, 76895), (9464, 76180), (10255, 70304), (10985, 65632), (11720, 61516), (11830, 60944), (13520, 53326), (14560, 49517), (15236, 47320), (15379, 46880), (16408, 43940), (17576, 41020), (18928, 38090), (19045, 37856), (20510, 35152), (21970, 32816), (23440, 30758), (23660, 30472), (26663, 27040)]