1339555840

素因数分解:

$2^{19}\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 3724538400

約数和(自身を除く): 2384982560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 512, 560, 584, 640, 730, 896, 1022, 1024, 1120, 1168, 1280, 1460, 1792, 2044, 2048, 2240, 2336, 2555, 2560, 2920, 3584, 4088, 4096, 4480, 4672, 5110, 5120, 5840, 7168, 8176, 8192, 8960, 9344, 10220, 10240, 11680, 14336, 16352, 16384, 17920, 18688, 20440, 20480, 23360, 28672, 32704, 32768, 35840, 37376, 40880, 40960, 46720, 57344, 65408, 65536, 71680, 74752, 81760, 81920, 93440, 114688, 130816, 131072, 143360, 149504, 163520, 163840, 186880, 229376, 261632, 262144, 286720, 299008, 327040, 327680, 373760, 458752, 523264, 524288, 573440, 598016, 654080, 655360, 747520, 917504, 1046528, 1146880, 1196032, 1308160, 1310720, 1495040, 1835008, 2093056, 2293760, 2392064, 2616320, 2621440, 2990080, 3670016, 4186112, 4587520, 4784128, 5232640, 5980160, 8372224, 9175040, 9568256, 10465280, 11960320, 16744448, 18350080, 19136512, 20930560, 23920640, 33488896, 38273024, 41861120, 47841280, 66977792, 83722240, 95682560, 133955584, 167444480, 191365120, 267911168, 334888960, 669777920, 1339555840]

約数ペア:

[(1, 1339555840), (2, 669777920), (4, 334888960), (5, 267911168), (7, 191365120), (8, 167444480), (10, 133955584), (14, 95682560), (16, 83722240), (20, 66977792), (28, 47841280), (32, 41861120), (35, 38273024), (40, 33488896), (56, 23920640), (64, 20930560), (70, 19136512), (73, 18350080), (80, 16744448), (112, 11960320), (128, 10465280), (140, 9568256), (146, 9175040), (160, 8372224), (224, 5980160), (256, 5232640), (280, 4784128), (292, 4587520), (320, 4186112), (365, 3670016), (448, 2990080), (511, 2621440), (512, 2616320), (560, 2392064), (584, 2293760), (640, 2093056), (730, 1835008), (896, 1495040), (1022, 1310720), (1024, 1308160), (1120, 1196032), (1168, 1146880), (1280, 1046528), (1460, 917504), (1792, 747520), (2044, 655360), (2048, 654080), (2240, 598016), (2336, 573440), (2555, 524288), (2560, 523264), (2920, 458752), (3584, 373760), (4088, 327680), (4096, 327040), (4480, 299008), (4672, 286720), (5110, 262144), (5120, 261632), (5840, 229376), (7168, 186880), (8176, 163840), (8192, 163520), (8960, 149504), (9344, 143360), (10220, 131072), (10240, 130816), (11680, 114688), (14336, 93440), (16352, 81920), (16384, 81760), (17920, 74752), (18688, 71680), (20440, 65536), (20480, 65408), (23360, 57344), (28672, 46720), (32704, 40960), (32768, 40880), (35840, 37376)]