639051120

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:562

約数の個数: 240

約数和(自身を含む): 2261855232

約数和(自身を除く): 1622804112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 162, 180, 213, 216, 240, 243, 270, 284, 324, 355, 360, 405, 426, 432, 463, 486, 540, 568, 639, 648, 710, 720, 810, 852, 926, 972, 1065, 1080, 1136, 1215, 1278, 1296, 1389, 1420, 1620, 1704, 1852, 1917, 1944, 2130, 2160, 2315, 2430, 2556, 2778, 2840, 3195, 3240, 3408, 3704, 3834, 3888, 4167, 4260, 4630, 4860, 5112, 5556, 5680, 5751, 6390, 6480, 6945, 7408, 7668, 8334, 8520, 9260, 9585, 9720, 10224, 11112, 11502, 12501, 12780, 13890, 15336, 16668, 17040, 17253, 18520, 19170, 19440, 20835, 22224, 23004, 25002, 25560, 27780, 28755, 30672, 32873, 33336, 34506, 37040, 37503, 38340, 41670, 46008, 50004, 51120, 55560, 57510, 62505, 65746, 66672, 69012, 75006, 76680, 83340, 86265, 92016, 98619, 100008, 111120, 112509, 115020, 125010, 131492, 138024, 150012, 153360, 164365, 166680, 172530, 187515, 197238, 200016, 225018, 230040, 250020, 262984, 276048, 295857, 300024, 328730, 333360, 345060, 375030, 394476, 450036, 460080, 493095, 500040, 525968, 562545, 591714, 600048, 657460, 690120, 750060, 788952, 887571, 900072, 986190, 1000080, 1125090, 1183428, 1314920, 1380240, 1479285, 1500120, 1577904, 1775142, 1800144, 1972380, 2250180, 2366856, 2629840, 2662713, 2958570, 3000240, 3550284, 3944760, 4437855, 4500360, 4733712, 5325426, 5917140, 7100568, 7889520, 7988139, 8875710, 9000720, 10650852, 11834280, 13313565, 14201136, 15976278, 17751420, 21301704, 23668560, 26627130, 31952556, 35502840, 39940695, 42603408, 53254260, 63905112, 71005680, 79881390, 106508520, 127810224, 159762780, 213017040, 319525560, 639051120]

約数ペア:

[(1, 639051120), (2, 319525560), (3, 213017040), (4, 159762780), (5, 127810224), (6, 106508520), (8, 79881390), (9, 71005680), (10, 63905112), (12, 53254260), (15, 42603408), (16, 39940695), (18, 35502840), (20, 31952556), (24, 26627130), (27, 23668560), (30, 21301704), (36, 17751420), (40, 15976278), (45, 14201136), (48, 13313565), (54, 11834280), (60, 10650852), (71, 9000720), (72, 8875710), (80, 7988139), (81, 7889520), (90, 7100568), (108, 5917140), (120, 5325426), (135, 4733712), (142, 4500360), (144, 4437855), (162, 3944760), (180, 3550284), (213, 3000240), (216, 2958570), (240, 2662713), (243, 2629840), (270, 2366856), (284, 2250180), (324, 1972380), (355, 1800144), (360, 1775142), (405, 1577904), (426, 1500120), (432, 1479285), (463, 1380240), (486, 1314920), (540, 1183428), (568, 1125090), (639, 1000080), (648, 986190), (710, 900072), (720, 887571), (810, 788952), (852, 750060), (926, 690120), (972, 657460), (1065, 600048), (1080, 591714), (1136, 562545), (1215, 525968), (1278, 500040), (1296, 493095), (1389, 460080), (1420, 450036), (1620, 394476), (1704, 375030), (1852, 345060), (1917, 333360), (1944, 328730), (2130, 300024), (2160, 295857), (2315, 276048), (2430, 262984), (2556, 250020), (2778, 230040), (2840, 225018), (3195, 200016), (3240, 197238), (3408, 187515), (3704, 172530), (3834, 166680), (3888, 164365), (4167, 153360), (4260, 150012), (4630, 138024), (4860, 131492), (5112, 125010), (5556, 115020), (5680, 112509), (5751, 111120), (6390, 100008), (6480, 98619), (6945, 92016), (7408, 86265), (7668, 83340), (8334, 76680), (8520, 75006), (9260, 69012), (9585, 66672), (9720, 65746), (10224, 62505), (11112, 57510), (11502, 55560), (12501, 51120), (12780, 50004), (13890, 46008), (15336, 41670), (16668, 38340), (17040, 37503), (17253, 37040), (18520, 34506), (19170, 33336), (19440, 32873), (20835, 30672), (22224, 28755), (23004, 27780), (25002, 25560)]