68912640

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 160

約数和(自身を含む): 245028960

約数和(自身を除く): 176116320

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, 997, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 1994, 2160, 2304, 2560, 2880, 2991, 3456, 3840, 3988, 4320, 4608, 4985, 5760, 5982, 6912, 7680, 7976, 8640, 8973, 9970, 11520, 11964, 13824, 14955, 15952, 17280, 17946, 19940, 23040, 23928, 26919, 29910, 31904, 34560, 35892, 39880, 44865, 47856, 53838, 59820, 63808, 69120, 71784, 79760, 89730, 95712, 107676, 119640, 127616, 134595, 143568, 159520, 179460, 191424, 215352, 239280, 255232, 269190, 287136, 319040, 358920, 382848, 430704, 478560, 510464, 538380, 574272, 638080, 717840, 765696, 861408, 957120, 1076760, 1148544, 1276160, 1435680, 1531392, 1722816, 1914240, 2153520, 2297088, 2552320, 2871360, 3445632, 3828480, 4307040, 4594176, 5742720, 6891264, 7656960, 8614080, 11485440, 13782528, 17228160, 22970880, 34456320, 68912640]

約数ペア:

[(1, 68912640), (2, 34456320), (3, 22970880), (4, 17228160), (5, 13782528), (6, 11485440), (8, 8614080), (9, 7656960), (10, 6891264), (12, 5742720), (15, 4594176), (16, 4307040), (18, 3828480), (20, 3445632), (24, 2871360), (27, 2552320), (30, 2297088), (32, 2153520), (36, 1914240), (40, 1722816), (45, 1531392), (48, 1435680), (54, 1276160), (60, 1148544), (64, 1076760), (72, 957120), (80, 861408), (90, 765696), (96, 717840), (108, 638080), (120, 574272), (128, 538380), (135, 510464), (144, 478560), (160, 430704), (180, 382848), (192, 358920), (216, 319040), (240, 287136), (256, 269190), (270, 255232), (288, 239280), (320, 215352), (360, 191424), (384, 179460), (432, 159520), (480, 143568), (512, 134595), (540, 127616), (576, 119640), (640, 107676), (720, 95712), (768, 89730), (864, 79760), (960, 71784), (997, 69120), (1080, 63808), (1152, 59820), (1280, 53838), (1440, 47856), (1536, 44865), (1728, 39880), (1920, 35892), (1994, 34560), (2160, 31904), (2304, 29910), (2560, 26919), (2880, 23928), (2991, 23040), (3456, 19940), (3840, 17946), (3988, 17280), (4320, 15952), (4608, 14955), (4985, 13824), (5760, 11964), (5982, 11520), (6912, 9970), (7680, 8973), (7976, 8640)]