1331277332480

素因数分解:

$2^{20}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8267

約数の個数: 168

約数和(自身を含む): 3298533310464

約数和(自身を除く): 1967255977984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4096, 4960, 5120, 7936, 8191, 8192, 9920, 10240, 15872, 16382, 16384, 19840, 20480, 31744, 32764, 32768, 39680, 40955, 40960, 63488, 65528, 65536, 79360, 81910, 81920, 126976, 131056, 131072, 158720, 163820, 163840, 253921, 253952, 262112, 262144, 317440, 327640, 327680, 507842, 507904, 524224, 524288, 634880, 655280, 655360, 1015684, 1015808, 1048448, 1048576, 1269605, 1269760, 1310560, 1310720, 2031368, 2031616, 2096896, 2539210, 2539520, 2621120, 2621440, 4062736, 4063232, 4193792, 5078420, 5079040, 5242240, 5242880, 8125472, 8126464, 8387584, 10156840, 10158080, 10484480, 16250944, 16252928, 16775168, 20313680, 20316160, 20968960, 32501888, 32505856, 33550336, 40627360, 40632320, 41937920, 65003776, 67100672, 81254720, 81264640, 83875840, 130007552, 134201344, 162509440, 162529280, 167751680, 260015104, 268402688, 325018880, 335503360, 520030208, 536805376, 650037760, 671006720, 1040060416, 1073610752, 1300075520, 1342013440, 2080120832, 2147221504, 2600151040, 2684026880, 4160241664, 4294443008, 5200302080, 5368053760, 8320483328, 8588886016, 10400604160, 10736107520, 16640966656, 20801208320, 21472215040, 33281933312, 41602416640, 42944430080, 66563866624, 83204833280, 133127733248, 166409666560, 266255466496, 332819333120, 665638666240, 1331277332480]

約数ペア:

[(1, 1331277332480), (2, 665638666240), (4, 332819333120), (5, 266255466496), (8, 166409666560), (10, 133127733248), (16, 83204833280), (20, 66563866624), (31, 42944430080), (32, 41602416640), (40, 33281933312), (62, 21472215040), (64, 20801208320), (80, 16640966656), (124, 10736107520), (128, 10400604160), (155, 8588886016), (160, 8320483328), (248, 5368053760), (256, 5200302080), (310, 4294443008), (320, 4160241664), (496, 2684026880), (512, 2600151040), (620, 2147221504), (640, 2080120832), (992, 1342013440), (1024, 1300075520), (1240, 1073610752), (1280, 1040060416), (1984, 671006720), (2048, 650037760), (2480, 536805376), (2560, 520030208), (3968, 335503360), (4096, 325018880), (4960, 268402688), (5120, 260015104), (7936, 167751680), (8191, 162529280), (8192, 162509440), (9920, 134201344), (10240, 130007552), (15872, 83875840), (16382, 81264640), (16384, 81254720), (19840, 67100672), (20480, 65003776), (31744, 41937920), (32764, 40632320), (32768, 40627360), (39680, 33550336), (40955, 32505856), (40960, 32501888), (63488, 20968960), (65528, 20316160), (65536, 20313680), (79360, 16775168), (81910, 16252928), (81920, 16250944), (126976, 10484480), (131056, 10158080), (131072, 10156840), (158720, 8387584), (163820, 8126464), (163840, 8125472), (253921, 5242880), (253952, 5242240), (262112, 5079040), (262144, 5078420), (317440, 4193792), (327640, 4063232), (327680, 4062736), (507842, 2621440), (507904, 2621120), (524224, 2539520), (524288, 2539210), (634880, 2096896), (655280, 2031616), (655360, 2031368), (1015684, 1310720), (1015808, 1310560), (1048448, 1269760), (1048576, 1269605)]