421235520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 224

約数和(自身を含む): 1445776128

約数和(自身を除く): 1024540608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 53, 60, 64, 68, 80, 85, 96, 102, 106, 120, 136, 159, 160, 170, 192, 204, 212, 240, 255, 265, 272, 318, 320, 340, 408, 424, 480, 487, 510, 530, 544, 636, 680, 795, 816, 848, 901, 960, 974, 1020, 1060, 1088, 1272, 1360, 1461, 1590, 1632, 1696, 1802, 1948, 2040, 2120, 2435, 2544, 2703, 2720, 2922, 3180, 3264, 3392, 3604, 3896, 4080, 4240, 4505, 4870, 5088, 5406, 5440, 5844, 6360, 7208, 7305, 7792, 8160, 8279, 8480, 9010, 9740, 10176, 10812, 11688, 12720, 13515, 14416, 14610, 15584, 16320, 16558, 16960, 18020, 19480, 21624, 23376, 24837, 25440, 25811, 27030, 28832, 29220, 31168, 33116, 36040, 38960, 41395, 43248, 46752, 49674, 50880, 51622, 54060, 57664, 58440, 66232, 72080, 77433, 77920, 82790, 86496, 93504, 99348, 103244, 108120, 116880, 124185, 129055, 132464, 144160, 154866, 155840, 165580, 172992, 198696, 206488, 216240, 233760, 248370, 258110, 264928, 288320, 309732, 331160, 387165, 397392, 412976, 432480, 438787, 467520, 496740, 516220, 529856, 619464, 662320, 774330, 794784, 825952, 864960, 877574, 993480, 1032440, 1238928, 1316361, 1324640, 1548660, 1589568, 1651904, 1755148, 1986960, 2064880, 2193935, 2477856, 2632722, 2649280, 3097320, 3510296, 3973920, 4129760, 4387870, 4955712, 5265444, 6194640, 6581805, 7020592, 7947840, 8259520, 8775740, 10530888, 12389280, 13163610, 14041184, 17551480, 21061776, 24778560, 26327220, 28082368, 35102960, 42123552, 52654440, 70205920, 84247104, 105308880, 140411840, 210617760, 421235520]

約数ペア:

[(1, 421235520), (2, 210617760), (3, 140411840), (4, 105308880), (5, 84247104), (6, 70205920), (8, 52654440), (10, 42123552), (12, 35102960), (15, 28082368), (16, 26327220), (17, 24778560), (20, 21061776), (24, 17551480), (30, 14041184), (32, 13163610), (34, 12389280), (40, 10530888), (48, 8775740), (51, 8259520), (53, 7947840), (60, 7020592), (64, 6581805), (68, 6194640), (80, 5265444), (85, 4955712), (96, 4387870), (102, 4129760), (106, 3973920), (120, 3510296), (136, 3097320), (159, 2649280), (160, 2632722), (170, 2477856), (192, 2193935), (204, 2064880), (212, 1986960), (240, 1755148), (255, 1651904), (265, 1589568), (272, 1548660), (318, 1324640), (320, 1316361), (340, 1238928), (408, 1032440), (424, 993480), (480, 877574), (487, 864960), (510, 825952), (530, 794784), (544, 774330), (636, 662320), (680, 619464), (795, 529856), (816, 516220), (848, 496740), (901, 467520), (960, 438787), (974, 432480), (1020, 412976), (1060, 397392), (1088, 387165), (1272, 331160), (1360, 309732), (1461, 288320), (1590, 264928), (1632, 258110), (1696, 248370), (1802, 233760), (1948, 216240), (2040, 206488), (2120, 198696), (2435, 172992), (2544, 165580), (2703, 155840), (2720, 154866), (2922, 144160), (3180, 132464), (3264, 129055), (3392, 124185), (3604, 116880), (3896, 108120), (4080, 103244), (4240, 99348), (4505, 93504), (4870, 86496), (5088, 82790), (5406, 77920), (5440, 77433), (5844, 72080), (6360, 66232), (7208, 58440), (7305, 57664), (7792, 54060), (8160, 51622), (8279, 50880), (8480, 49674), (9010, 46752), (9740, 43248), (10176, 41395), (10812, 38960), (11688, 36040), (12720, 33116), (13515, 31168), (14416, 29220), (14610, 28832), (15584, 27030), (16320, 25811), (16558, 25440), (16960, 24837), (18020, 23376), (19480, 21624)]