680382720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19687}}^1$

素因数の和:19717

約数の個数: 144

約数和(自身を含む): 2414536320

約数和(自身を除く): 1734153600

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, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 19687, 34560, 39374, 59061, 78748, 98435, 118122, 157496, 177183, 196870, 236244, 295305, 314992, 354366, 393740, 472488, 531549, 590610, 629984, 708732, 787480, 885915, 944976, 1063098, 1181220, 1259968, 1417464, 1574960, 1771830, 1889952, 2126196, 2362440, 2519936, 2657745, 2834928, 3149920, 3543660, 3779904, 4252392, 4724880, 5039872, 5315490, 5669856, 6299840, 7087320, 7559808, 8504784, 9449760, 10630980, 11339712, 12599680, 14174640, 15119616, 17009568, 18899520, 21261960, 22679424, 25199360, 28349280, 34019136, 37799040, 42523920, 45358848, 56698560, 68038272, 75598080, 85047840, 113397120, 136076544, 170095680, 226794240, 340191360, 680382720]

約数ペア:

[(1, 680382720), (2, 340191360), (3, 226794240), (4, 170095680), (5, 136076544), (6, 113397120), (8, 85047840), (9, 75598080), (10, 68038272), (12, 56698560), (15, 45358848), (16, 42523920), (18, 37799040), (20, 34019136), (24, 28349280), (27, 25199360), (30, 22679424), (32, 21261960), (36, 18899520), (40, 17009568), (45, 15119616), (48, 14174640), (54, 12599680), (60, 11339712), (64, 10630980), (72, 9449760), (80, 8504784), (90, 7559808), (96, 7087320), (108, 6299840), (120, 5669856), (128, 5315490), (135, 5039872), (144, 4724880), (160, 4252392), (180, 3779904), (192, 3543660), (216, 3149920), (240, 2834928), (256, 2657745), (270, 2519936), (288, 2362440), (320, 2126196), (360, 1889952), (384, 1771830), (432, 1574960), (480, 1417464), (540, 1259968), (576, 1181220), (640, 1063098), (720, 944976), (768, 885915), (864, 787480), (960, 708732), (1080, 629984), (1152, 590610), (1280, 531549), (1440, 472488), (1728, 393740), (1920, 354366), (2160, 314992), (2304, 295305), (2880, 236244), (3456, 196870), (3840, 177183), (4320, 157496), (5760, 118122), (6912, 98435), (8640, 78748), (11520, 59061), (17280, 39374), (19687, 34560)]