18316800

素因数分解:

$2^9\times 3^3\times 5^2\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 68500080

約数和(自身を除く): 50183280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 53, 54, 60, 64, 72, 75, 80, 90, 96, 100, 106, 108, 120, 128, 135, 144, 150, 159, 160, 180, 192, 200, 212, 216, 225, 240, 256, 265, 270, 288, 300, 318, 320, 360, 384, 400, 424, 432, 450, 477, 480, 512, 530, 540, 576, 600, 636, 640, 675, 720, 768, 795, 800, 848, 864, 900, 954, 960, 1060, 1080, 1152, 1200, 1272, 1280, 1325, 1350, 1431, 1440, 1536, 1590, 1600, 1696, 1728, 1800, 1908, 1920, 2120, 2160, 2304, 2385, 2400, 2544, 2560, 2650, 2700, 2862, 2880, 3180, 3200, 3392, 3456, 3600, 3816, 3840, 3975, 4240, 4320, 4608, 4770, 4800, 5088, 5300, 5400, 5724, 5760, 6360, 6400, 6784, 6912, 7155, 7200, 7632, 7680, 7950, 8480, 8640, 9540, 9600, 10176, 10600, 10800, 11448, 11520, 11925, 12720, 12800, 13568, 13824, 14310, 14400, 15264, 15900, 16960, 17280, 19080, 19200, 20352, 21200, 21600, 22896, 23040, 23850, 25440, 27136, 28620, 28800, 30528, 31800, 33920, 34560, 35775, 38160, 38400, 40704, 42400, 43200, 45792, 47700, 50880, 57240, 57600, 61056, 63600, 67840, 69120, 71550, 76320, 81408, 84800, 86400, 91584, 95400, 101760, 114480, 115200, 122112, 127200, 135680, 143100, 152640, 169600, 172800, 183168, 190800, 203520, 228960, 244224, 254400, 286200, 305280, 339200, 345600, 366336, 381600, 407040, 457920, 508800, 572400, 610560, 678400, 732672, 763200, 915840, 1017600, 1144800, 1221120, 1526400, 1831680, 2035200, 2289600, 3052800, 3663360, 4579200, 6105600, 9158400, 18316800]

約数ペア:

[(1, 18316800), (2, 9158400), (3, 6105600), (4, 4579200), (5, 3663360), (6, 3052800), (8, 2289600), (9, 2035200), (10, 1831680), (12, 1526400), (15, 1221120), (16, 1144800), (18, 1017600), (20, 915840), (24, 763200), (25, 732672), (27, 678400), (30, 610560), (32, 572400), (36, 508800), (40, 457920), (45, 407040), (48, 381600), (50, 366336), (53, 345600), (54, 339200), (60, 305280), (64, 286200), (72, 254400), (75, 244224), (80, 228960), (90, 203520), (96, 190800), (100, 183168), (106, 172800), (108, 169600), (120, 152640), (128, 143100), (135, 135680), (144, 127200), (150, 122112), (159, 115200), (160, 114480), (180, 101760), (192, 95400), (200, 91584), (212, 86400), (216, 84800), (225, 81408), (240, 76320), (256, 71550), (265, 69120), (270, 67840), (288, 63600), (300, 61056), (318, 57600), (320, 57240), (360, 50880), (384, 47700), (400, 45792), (424, 43200), (432, 42400), (450, 40704), (477, 38400), (480, 38160), (512, 35775), (530, 34560), (540, 33920), (576, 31800), (600, 30528), (636, 28800), (640, 28620), (675, 27136), (720, 25440), (768, 23850), (795, 23040), (800, 22896), (848, 21600), (864, 21200), (900, 20352), (954, 19200), (960, 19080), (1060, 17280), (1080, 16960), (1152, 15900), (1200, 15264), (1272, 14400), (1280, 14310), (1325, 13824), (1350, 13568), (1431, 12800), (1440, 12720), (1536, 11925), (1590, 11520), (1600, 11448), (1696, 10800), (1728, 10600), (1800, 10176), (1908, 9600), (1920, 9540), (2120, 8640), (2160, 8480), (2304, 7950), (2385, 7680), (2400, 7632), (2544, 7200), (2560, 7155), (2650, 6912), (2700, 6784), (2862, 6400), (2880, 6360), (3180, 5760), (3200, 5724), (3392, 5400), (3456, 5300), (3600, 5088), (3816, 4800), (3840, 4770), (3975, 4608), (4240, 4320)]