138032640

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 160

約数和(自身を含む): 490548960

約数和(自身を除く): 352516320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 1997, 2160, 2304, 2560, 2880, 3456, 3840, 3994, 4320, 4608, 5760, 5991, 6912, 7680, 7988, 8640, 9985, 11520, 11982, 13824, 15976, 17280, 17973, 19970, 23040, 23964, 29955, 31952, 34560, 35946, 39940, 47928, 53919, 59910, 63904, 69120, 71892, 79880, 89865, 95856, 107838, 119820, 127808, 143784, 159760, 179730, 191712, 215676, 239640, 255616, 269595, 287568, 319520, 359460, 383424, 431352, 479280, 511232, 539190, 575136, 639040, 718920, 766848, 862704, 958560, 1022464, 1078380, 1150272, 1278080, 1437840, 1533696, 1725408, 1917120, 2156760, 2300544, 2556160, 2875680, 3067392, 3450816, 3834240, 4313520, 4601088, 5112320, 5751360, 6901632, 7668480, 8627040, 9202176, 11502720, 13803264, 15336960, 17254080, 23005440, 27606528, 34508160, 46010880, 69016320, 138032640]

約数ペア:

[(1, 138032640), (2, 69016320), (3, 46010880), (4, 34508160), (5, 27606528), (6, 23005440), (8, 17254080), (9, 15336960), (10, 13803264), (12, 11502720), (15, 9202176), (16, 8627040), (18, 7668480), (20, 6901632), (24, 5751360), (27, 5112320), (30, 4601088), (32, 4313520), (36, 3834240), (40, 3450816), (45, 3067392), (48, 2875680), (54, 2556160), (60, 2300544), (64, 2156760), (72, 1917120), (80, 1725408), (90, 1533696), (96, 1437840), (108, 1278080), (120, 1150272), (128, 1078380), (135, 1022464), (144, 958560), (160, 862704), (180, 766848), (192, 718920), (216, 639040), (240, 575136), (256, 539190), (270, 511232), (288, 479280), (320, 431352), (360, 383424), (384, 359460), (432, 319520), (480, 287568), (512, 269595), (540, 255616), (576, 239640), (640, 215676), (720, 191712), (768, 179730), (864, 159760), (960, 143784), (1080, 127808), (1152, 119820), (1280, 107838), (1440, 95856), (1536, 89865), (1728, 79880), (1920, 71892), (1997, 69120), (2160, 63904), (2304, 59910), (2560, 53919), (2880, 47928), (3456, 39940), (3840, 35946), (3994, 34560), (4320, 31952), (4608, 29955), (5760, 23964), (5991, 23040), (6912, 19970), (7680, 17973), (7988, 17280), (8640, 15976), (9985, 13824), (11520, 11982)]