31898880

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 288

約数和(自身を含む): 123621120

約数和(自身を除く): 91722240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 71, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 142, 144, 156, 160, 180, 192, 195, 208, 213, 216, 234, 240, 256, 260, 270, 284, 288, 312, 320, 351, 355, 360, 384, 390, 416, 426, 432, 468, 480, 520, 540, 568, 576, 585, 624, 639, 640, 702, 710, 720, 768, 780, 832, 852, 864, 923, 936, 960, 1040, 1065, 1080, 1136, 1152, 1170, 1248, 1278, 1280, 1404, 1420, 1440, 1560, 1664, 1704, 1728, 1755, 1846, 1872, 1917, 1920, 2080, 2130, 2160, 2272, 2304, 2340, 2496, 2556, 2769, 2808, 2840, 2880, 3120, 3195, 3328, 3408, 3456, 3510, 3692, 3744, 3834, 3840, 4160, 4260, 4320, 4544, 4615, 4680, 4992, 5112, 5538, 5616, 5680, 5760, 6240, 6390, 6816, 6912, 7020, 7384, 7488, 7668, 8307, 8320, 8520, 8640, 9088, 9230, 9360, 9585, 9984, 10224, 11076, 11232, 11360, 11520, 12480, 12780, 13632, 13845, 14040, 14768, 14976, 15336, 16614, 16640, 17040, 17280, 18176, 18460, 18720, 19170, 20448, 22152, 22464, 22720, 24921, 24960, 25560, 27264, 27690, 28080, 29536, 29952, 30672, 33228, 34080, 34560, 36920, 37440, 38340, 40896, 41535, 44304, 44928, 45440, 49842, 49920, 51120, 54528, 55380, 56160, 59072, 61344, 66456, 68160, 73840, 74880, 76680, 81792, 83070, 88608, 89856, 90880, 99684, 102240, 110760, 112320, 118144, 122688, 124605, 132912, 136320, 147680, 149760, 153360, 163584, 166140, 177216, 199368, 204480, 221520, 224640, 236288, 245376, 249210, 265824, 272640, 295360, 306720, 332280, 354432, 398736, 408960, 443040, 449280, 490752, 498420, 531648, 590720, 613440, 664560, 708864, 797472, 817920, 886080, 996840, 1063296, 1181440, 1226880, 1329120, 1594944, 1772160, 1993680, 2126592, 2453760, 2658240, 3189888, 3544320, 3987360, 5316480, 6379776, 7974720, 10632960, 15949440, 31898880]

約数ペア:

[(1, 31898880), (2, 15949440), (3, 10632960), (4, 7974720), (5, 6379776), (6, 5316480), (8, 3987360), (9, 3544320), (10, 3189888), (12, 2658240), (13, 2453760), (15, 2126592), (16, 1993680), (18, 1772160), (20, 1594944), (24, 1329120), (26, 1226880), (27, 1181440), (30, 1063296), (32, 996840), (36, 886080), (39, 817920), (40, 797472), (45, 708864), (48, 664560), (52, 613440), (54, 590720), (60, 531648), (64, 498420), (65, 490752), (71, 449280), (72, 443040), (78, 408960), (80, 398736), (90, 354432), (96, 332280), (104, 306720), (108, 295360), (117, 272640), (120, 265824), (128, 249210), (130, 245376), (135, 236288), (142, 224640), (144, 221520), (156, 204480), (160, 199368), (180, 177216), (192, 166140), (195, 163584), (208, 153360), (213, 149760), (216, 147680), (234, 136320), (240, 132912), (256, 124605), (260, 122688), (270, 118144), (284, 112320), (288, 110760), (312, 102240), (320, 99684), (351, 90880), (355, 89856), (360, 88608), (384, 83070), (390, 81792), (416, 76680), (426, 74880), (432, 73840), (468, 68160), (480, 66456), (520, 61344), (540, 59072), (568, 56160), (576, 55380), (585, 54528), (624, 51120), (639, 49920), (640, 49842), (702, 45440), (710, 44928), (720, 44304), (768, 41535), (780, 40896), (832, 38340), (852, 37440), (864, 36920), (923, 34560), (936, 34080), (960, 33228), (1040, 30672), (1065, 29952), (1080, 29536), (1136, 28080), (1152, 27690), (1170, 27264), (1248, 25560), (1278, 24960), (1280, 24921), (1404, 22720), (1420, 22464), (1440, 22152), (1560, 20448), (1664, 19170), (1704, 18720), (1728, 18460), (1755, 18176), (1846, 17280), (1872, 17040), (1917, 16640), (1920, 16614), (2080, 15336), (2130, 14976), (2160, 14768), (2272, 14040), (2304, 13845), (2340, 13632), (2496, 12780), (2556, 12480), (2769, 11520), (2808, 11360), (2840, 11232), (2880, 11076), (3120, 10224), (3195, 9984), (3328, 9585), (3408, 9360), (3456, 9230), (3510, 9088), (3692, 8640), (3744, 8520), (3834, 8320), (3840, 8307), (4160, 7668), (4260, 7488), (4320, 7384), (4544, 7020), (4615, 6912), (4680, 6816), (4992, 6390), (5112, 6240), (5538, 5760), (5616, 5680)]