1320919040

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 224

約数和(自身を含む): 3850136064

約数和(自身を除く): 2529217024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 271, 272, 280, 320, 340, 448, 476, 512, 542, 544, 560, 595, 640, 680, 896, 952, 1024, 1084, 1088, 1120, 1190, 1280, 1355, 1360, 1792, 1897, 1904, 2048, 2168, 2176, 2240, 2380, 2560, 2710, 2720, 3584, 3794, 3808, 4096, 4336, 4352, 4480, 4607, 4760, 5120, 5420, 5440, 7168, 7588, 7616, 8192, 8672, 8704, 8960, 9214, 9485, 9520, 10240, 10840, 10880, 14336, 15176, 15232, 17344, 17408, 17920, 18428, 18970, 19040, 20480, 21680, 21760, 23035, 28672, 30352, 30464, 32249, 34688, 34816, 35840, 36856, 37940, 38080, 40960, 43360, 43520, 46070, 57344, 60704, 60928, 64498, 69376, 69632, 71680, 73712, 75880, 76160, 86720, 87040, 92140, 121408, 121856, 128996, 138752, 139264, 143360, 147424, 151760, 152320, 161245, 173440, 174080, 184280, 242816, 243712, 257992, 277504, 286720, 294848, 303520, 304640, 322490, 346880, 348160, 368560, 485632, 487424, 515984, 555008, 589696, 607040, 609280, 644980, 693760, 696320, 737120, 971264, 974848, 1031968, 1110016, 1179392, 1214080, 1218560, 1289960, 1387520, 1474240, 1942528, 2063936, 2220032, 2358784, 2428160, 2437120, 2579920, 2775040, 2948480, 3885056, 4127872, 4717568, 4856320, 4874240, 5159840, 5550080, 5896960, 7770112, 8255744, 9435136, 9712640, 10319680, 11100160, 11793920, 15540224, 16511488, 18870272, 19425280, 20639360, 23587840, 33022976, 37740544, 38850560, 41278720, 47175680, 66045952, 77701120, 82557440, 94351360, 132091904, 165114880, 188702720, 264183808, 330229760, 660459520, 1320919040]

約数ペア:

[(1, 1320919040), (2, 660459520), (4, 330229760), (5, 264183808), (7, 188702720), (8, 165114880), (10, 132091904), (14, 94351360), (16, 82557440), (17, 77701120), (20, 66045952), (28, 47175680), (32, 41278720), (34, 38850560), (35, 37740544), (40, 33022976), (56, 23587840), (64, 20639360), (68, 19425280), (70, 18870272), (80, 16511488), (85, 15540224), (112, 11793920), (119, 11100160), (128, 10319680), (136, 9712640), (140, 9435136), (160, 8255744), (170, 7770112), (224, 5896960), (238, 5550080), (256, 5159840), (271, 4874240), (272, 4856320), (280, 4717568), (320, 4127872), (340, 3885056), (448, 2948480), (476, 2775040), (512, 2579920), (542, 2437120), (544, 2428160), (560, 2358784), (595, 2220032), (640, 2063936), (680, 1942528), (896, 1474240), (952, 1387520), (1024, 1289960), (1084, 1218560), (1088, 1214080), (1120, 1179392), (1190, 1110016), (1280, 1031968), (1355, 974848), (1360, 971264), (1792, 737120), (1897, 696320), (1904, 693760), (2048, 644980), (2168, 609280), (2176, 607040), (2240, 589696), (2380, 555008), (2560, 515984), (2710, 487424), (2720, 485632), (3584, 368560), (3794, 348160), (3808, 346880), (4096, 322490), (4336, 304640), (4352, 303520), (4480, 294848), (4607, 286720), (4760, 277504), (5120, 257992), (5420, 243712), (5440, 242816), (7168, 184280), (7588, 174080), (7616, 173440), (8192, 161245), (8672, 152320), (8704, 151760), (8960, 147424), (9214, 143360), (9485, 139264), (9520, 138752), (10240, 128996), (10840, 121856), (10880, 121408), (14336, 92140), (15176, 87040), (15232, 86720), (17344, 76160), (17408, 75880), (17920, 73712), (18428, 71680), (18970, 69632), (19040, 69376), (20480, 64498), (21680, 60928), (21760, 60704), (23035, 57344), (28672, 46070), (30352, 43520), (30464, 43360), (32249, 40960), (34688, 38080), (34816, 37940), (35840, 36856)]