1330708480

素因数分解:

$2^{16}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 136

約数和(自身を含む): 3321863424

約数和(自身を除く): 1991154944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 256, 262, 310, 320, 496, 512, 524, 620, 640, 655, 992, 1024, 1048, 1240, 1280, 1310, 1984, 2048, 2096, 2480, 2560, 2620, 3968, 4061, 4096, 4192, 4960, 5120, 5240, 7936, 8122, 8192, 8384, 9920, 10240, 10480, 15872, 16244, 16384, 16768, 19840, 20305, 20480, 20960, 31744, 32488, 32768, 33536, 39680, 40610, 40960, 41920, 63488, 64976, 65536, 67072, 79360, 81220, 81920, 83840, 126976, 129952, 134144, 158720, 162440, 163840, 167680, 253952, 259904, 268288, 317440, 324880, 327680, 335360, 507904, 519808, 536576, 634880, 649760, 670720, 1015808, 1039616, 1073152, 1269760, 1299520, 1341440, 2031616, 2079232, 2146304, 2539520, 2599040, 2682880, 4158464, 4292608, 5079040, 5198080, 5365760, 8316928, 8585216, 10158080, 10396160, 10731520, 16633856, 20792320, 21463040, 33267712, 41584640, 42926080, 66535424, 83169280, 133070848, 166338560, 266141696, 332677120, 665354240, 1330708480]

約数ペア:

[(1, 1330708480), (2, 665354240), (4, 332677120), (5, 266141696), (8, 166338560), (10, 133070848), (16, 83169280), (20, 66535424), (31, 42926080), (32, 41584640), (40, 33267712), (62, 21463040), (64, 20792320), (80, 16633856), (124, 10731520), (128, 10396160), (131, 10158080), (155, 8585216), (160, 8316928), (248, 5365760), (256, 5198080), (262, 5079040), (310, 4292608), (320, 4158464), (496, 2682880), (512, 2599040), (524, 2539520), (620, 2146304), (640, 2079232), (655, 2031616), (992, 1341440), (1024, 1299520), (1048, 1269760), (1240, 1073152), (1280, 1039616), (1310, 1015808), (1984, 670720), (2048, 649760), (2096, 634880), (2480, 536576), (2560, 519808), (2620, 507904), (3968, 335360), (4061, 327680), (4096, 324880), (4192, 317440), (4960, 268288), (5120, 259904), (5240, 253952), (7936, 167680), (8122, 163840), (8192, 162440), (8384, 158720), (9920, 134144), (10240, 129952), (10480, 126976), (15872, 83840), (16244, 81920), (16384, 81220), (16768, 79360), (19840, 67072), (20305, 65536), (20480, 64976), (20960, 63488), (31744, 41920), (32488, 40960), (32768, 40610), (33536, 39680)]