20900320320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{1487}}^1$

素因数の和:1551

約数の個数: 280

約数和(自身を含む): 73043003520

約数和(自身を除く): 52142683200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 440, 480, 484, 528, 605, 660, 704, 726, 880, 960, 968, 1056, 1210, 1320, 1331, 1452, 1487, 1760, 1815, 1936, 2112, 2420, 2640, 2662, 2904, 2974, 3520, 3630, 3872, 3993, 4461, 4840, 5280, 5324, 5808, 5948, 6655, 7260, 7435, 7744, 7986, 8922, 9680, 10560, 10648, 11616, 11896, 13310, 14520, 14641, 14870, 15972, 16357, 17844, 19360, 19965, 21296, 22305, 23232, 23792, 26620, 29040, 29282, 29740, 31944, 32714, 35688, 38720, 39930, 42592, 43923, 44610, 47584, 49071, 53240, 58080, 58564, 59480, 63888, 65428, 71376, 73205, 79860, 81785, 85184, 87846, 89220, 95168, 98142, 106480, 116160, 117128, 118960, 127776, 130856, 142752, 146410, 159720, 163570, 175692, 178440, 179927, 196284, 212960, 219615, 234256, 237920, 245355, 255552, 261712, 285504, 292820, 319440, 327140, 351384, 356880, 359854, 392568, 425920, 439230, 468512, 475840, 490710, 523424, 539781, 585640, 638880, 654280, 702768, 713760, 719708, 785136, 878460, 899635, 937024, 981420, 1046848, 1079562, 1171280, 1277760, 1308560, 1405536, 1427520, 1439416, 1570272, 1756920, 1799270, 1962840, 1979197, 2159124, 2342560, 2617120, 2698905, 2811072, 2878832, 3140544, 3513840, 3598540, 3925680, 3958394, 4318248, 4685120, 5234240, 5397810, 5757664, 5937591, 7027680, 7197080, 7851360, 7916788, 8636496, 9895985, 10795620, 11515328, 11875182, 14055360, 14394160, 15702720, 15833576, 17272992, 19791970, 21591240, 21771167, 23750364, 28788320, 29687955, 31667152, 34545984, 39583940, 43182480, 43542334, 47500728, 57576640, 59375910, 63334304, 65313501, 79167880, 86364960, 87084668, 95001456, 108855835, 118751820, 126668608, 130627002, 158335760, 172729920, 174169336, 190002912, 217711670, 237503640, 261254004, 316671520, 326567505, 348338672, 380005824, 435423340, 475007280, 522508008, 633343040, 653135010, 696677344, 870846680, 950014560, 1045016016, 1306270020, 1393354688, 1741693360, 1900029120, 2090032032, 2612540040, 3483386720, 4180064064, 5225080080, 6966773440, 10450160160, 20900320320]

約数ペア:

[(1, 20900320320), (2, 10450160160), (3, 6966773440), (4, 5225080080), (5, 4180064064), (6, 3483386720), (8, 2612540040), (10, 2090032032), (11, 1900029120), (12, 1741693360), (15, 1393354688), (16, 1306270020), (20, 1045016016), (22, 950014560), (24, 870846680), (30, 696677344), (32, 653135010), (33, 633343040), (40, 522508008), (44, 475007280), (48, 435423340), (55, 380005824), (60, 348338672), (64, 326567505), (66, 316671520), (80, 261254004), (88, 237503640), (96, 217711670), (110, 190002912), (120, 174169336), (121, 172729920), (132, 158335760), (160, 130627002), (165, 126668608), (176, 118751820), (192, 108855835), (220, 95001456), (240, 87084668), (242, 86364960), (264, 79167880), (320, 65313501), (330, 63334304), (352, 59375910), (363, 57576640), (440, 47500728), (480, 43542334), (484, 43182480), (528, 39583940), (605, 34545984), (660, 31667152), (704, 29687955), (726, 28788320), (880, 23750364), (960, 21771167), (968, 21591240), (1056, 19791970), (1210, 17272992), (1320, 15833576), (1331, 15702720), (1452, 14394160), (1487, 14055360), (1760, 11875182), (1815, 11515328), (1936, 10795620), (2112, 9895985), (2420, 8636496), (2640, 7916788), (2662, 7851360), (2904, 7197080), (2974, 7027680), (3520, 5937591), (3630, 5757664), (3872, 5397810), (3993, 5234240), (4461, 4685120), (4840, 4318248), (5280, 3958394), (5324, 3925680), (5808, 3598540), (5948, 3513840), (6655, 3140544), (7260, 2878832), (7435, 2811072), (7744, 2698905), (7986, 2617120), (8922, 2342560), (9680, 2159124), (10560, 1979197), (10648, 1962840), (11616, 1799270), (11896, 1756920), (13310, 1570272), (14520, 1439416), (14641, 1427520), (14870, 1405536), (15972, 1308560), (16357, 1277760), (17844, 1171280), (19360, 1079562), (19965, 1046848), (21296, 981420), (22305, 937024), (23232, 899635), (23792, 878460), (26620, 785136), (29040, 719708), (29282, 713760), (29740, 702768), (31944, 654280), (32714, 638880), (35688, 585640), (38720, 539781), (39930, 523424), (42592, 490710), (43923, 475840), (44610, 468512), (47584, 439230), (49071, 425920), (53240, 392568), (58080, 359854), (58564, 356880), (59480, 351384), (63888, 327140), (65428, 319440), (71376, 292820), (73205, 285504), (79860, 261712), (81785, 255552), (85184, 245355), (87846, 237920), (89220, 234256), (95168, 219615), (98142, 212960), (106480, 196284), (116160, 179927), (117128, 178440), (118960, 175692), (127776, 163570), (130856, 159720), (142752, 146410)]