131552640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 256

約数和(自身を含む): 487641600

約数和(自身を除く): 356088960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 331, 345, 360, 368, 384, 414, 432, 460, 480, 540, 552, 576, 621, 640, 662, 690, 720, 736, 828, 864, 920, 960, 993, 1035, 1080, 1104, 1152, 1242, 1324, 1380, 1440, 1472, 1655, 1656, 1728, 1840, 1920, 1986, 2070, 2160, 2208, 2484, 2648, 2760, 2880, 2944, 2979, 3105, 3310, 3312, 3456, 3680, 3972, 4140, 4320, 4416, 4965, 4968, 5296, 5520, 5760, 5958, 6210, 6620, 6624, 7360, 7613, 7944, 8280, 8640, 8832, 8937, 9930, 9936, 10592, 11040, 11916, 12420, 13240, 13248, 14720, 14895, 15226, 15888, 16560, 17280, 17874, 19860, 19872, 21184, 22080, 22839, 23832, 24840, 26480, 26496, 29790, 30452, 31776, 33120, 35748, 38065, 39720, 39744, 42368, 44160, 44685, 45678, 47664, 49680, 52960, 59580, 60904, 63552, 66240, 68517, 71496, 76130, 79440, 79488, 89370, 91356, 95328, 99360, 105920, 114195, 119160, 121808, 127104, 132480, 137034, 142992, 152260, 158880, 178740, 182712, 190656, 198720, 205551, 211840, 228390, 238320, 243616, 274068, 285984, 304520, 317760, 342585, 357480, 365424, 381312, 397440, 411102, 456780, 476640, 487232, 548136, 571968, 609040, 635520, 685170, 714960, 730848, 822204, 913560, 953280, 974464, 1027755, 1096272, 1143936, 1218080, 1370340, 1429920, 1461696, 1644408, 1827120, 1906560, 2055510, 2192544, 2436160, 2740680, 2859840, 2923392, 3288816, 3654240, 4111020, 4385088, 4872320, 5481360, 5719680, 6577632, 7308480, 8222040, 8770176, 10962720, 13155264, 14616960, 16444080, 21925440, 26310528, 32888160, 43850880, 65776320, 131552640]

約数ペア:

[(1, 131552640), (2, 65776320), (3, 43850880), (4, 32888160), (5, 26310528), (6, 21925440), (8, 16444080), (9, 14616960), (10, 13155264), (12, 10962720), (15, 8770176), (16, 8222040), (18, 7308480), (20, 6577632), (23, 5719680), (24, 5481360), (27, 4872320), (30, 4385088), (32, 4111020), (36, 3654240), (40, 3288816), (45, 2923392), (46, 2859840), (48, 2740680), (54, 2436160), (60, 2192544), (64, 2055510), (69, 1906560), (72, 1827120), (80, 1644408), (90, 1461696), (92, 1429920), (96, 1370340), (108, 1218080), (115, 1143936), (120, 1096272), (128, 1027755), (135, 974464), (138, 953280), (144, 913560), (160, 822204), (180, 730848), (184, 714960), (192, 685170), (207, 635520), (216, 609040), (230, 571968), (240, 548136), (270, 487232), (276, 476640), (288, 456780), (320, 411102), (331, 397440), (345, 381312), (360, 365424), (368, 357480), (384, 342585), (414, 317760), (432, 304520), (460, 285984), (480, 274068), (540, 243616), (552, 238320), (576, 228390), (621, 211840), (640, 205551), (662, 198720), (690, 190656), (720, 182712), (736, 178740), (828, 158880), (864, 152260), (920, 142992), (960, 137034), (993, 132480), (1035, 127104), (1080, 121808), (1104, 119160), (1152, 114195), (1242, 105920), (1324, 99360), (1380, 95328), (1440, 91356), (1472, 89370), (1655, 79488), (1656, 79440), (1728, 76130), (1840, 71496), (1920, 68517), (1986, 66240), (2070, 63552), (2160, 60904), (2208, 59580), (2484, 52960), (2648, 49680), (2760, 47664), (2880, 45678), (2944, 44685), (2979, 44160), (3105, 42368), (3310, 39744), (3312, 39720), (3456, 38065), (3680, 35748), (3972, 33120), (4140, 31776), (4320, 30452), (4416, 29790), (4965, 26496), (4968, 26480), (5296, 24840), (5520, 23832), (5760, 22839), (5958, 22080), (6210, 21184), (6620, 19872), (6624, 19860), (7360, 17874), (7613, 17280), (7944, 16560), (8280, 15888), (8640, 15226), (8832, 14895), (8937, 14720), (9930, 13248), (9936, 13240), (10592, 12420), (11040, 11916)]