20871038880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{15737}}^1$

素因数の和:16068

約数の個数: 192

約数和(自身を含む): 73291236480

約数和(自身を除く): 52420197600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 307, 360, 432, 480, 540, 614, 720, 864, 921, 1080, 1228, 1440, 1535, 1842, 2160, 2456, 2763, 3070, 3684, 4320, 4605, 4912, 5526, 6140, 7368, 8289, 9210, 9824, 11052, 12280, 13815, 14736, 15737, 16578, 18420, 22104, 24560, 27630, 29472, 31474, 33156, 36840, 41445, 44208, 47211, 49120, 55260, 62948, 66312, 73680, 78685, 82890, 88416, 94422, 110520, 125896, 132624, 141633, 147360, 157370, 165780, 188844, 221040, 236055, 251792, 265248, 283266, 314740, 331560, 377688, 424899, 442080, 472110, 503584, 566532, 629480, 663120, 708165, 755376, 849798, 944220, 1133064, 1258960, 1326240, 1416330, 1510752, 1699596, 1888440, 2124495, 2266128, 2517920, 2832660, 3399192, 3776880, 4248990, 4532256, 4831259, 5665320, 6798384, 7553760, 8497980, 9662518, 11330640, 13596768, 14493777, 16995960, 19325036, 22661280, 24156295, 28987554, 33991920, 38650072, 43481331, 48312590, 57975108, 67983840, 72468885, 77300144, 86962662, 96625180, 115950216, 130443993, 144937770, 154600288, 173925324, 193250360, 217406655, 231900432, 260887986, 289875540, 347850648, 386500720, 434813310, 463800864, 521775972, 579751080, 652219965, 695701296, 773001440, 869626620, 1043551944, 1159502160, 1304439930, 1391402592, 1739253240, 2087103888, 2319004320, 2608879860, 3478506480, 4174207776, 5217759720, 6957012960, 10435519440, 20871038880]

約数ペア:

[(1, 20871038880), (2, 10435519440), (3, 6957012960), (4, 5217759720), (5, 4174207776), (6, 3478506480), (8, 2608879860), (9, 2319004320), (10, 2087103888), (12, 1739253240), (15, 1391402592), (16, 1304439930), (18, 1159502160), (20, 1043551944), (24, 869626620), (27, 773001440), (30, 695701296), (32, 652219965), (36, 579751080), (40, 521775972), (45, 463800864), (48, 434813310), (54, 386500720), (60, 347850648), (72, 289875540), (80, 260887986), (90, 231900432), (96, 217406655), (108, 193250360), (120, 173925324), (135, 154600288), (144, 144937770), (160, 130443993), (180, 115950216), (216, 96625180), (240, 86962662), (270, 77300144), (288, 72468885), (307, 67983840), (360, 57975108), (432, 48312590), (480, 43481331), (540, 38650072), (614, 33991920), (720, 28987554), (864, 24156295), (921, 22661280), (1080, 19325036), (1228, 16995960), (1440, 14493777), (1535, 13596768), (1842, 11330640), (2160, 9662518), (2456, 8497980), (2763, 7553760), (3070, 6798384), (3684, 5665320), (4320, 4831259), (4605, 4532256), (4912, 4248990), (5526, 3776880), (6140, 3399192), (7368, 2832660), (8289, 2517920), (9210, 2266128), (9824, 2124495), (11052, 1888440), (12280, 1699596), (13815, 1510752), (14736, 1416330), (15737, 1326240), (16578, 1258960), (18420, 1133064), (22104, 944220), (24560, 849798), (27630, 755376), (29472, 708165), (31474, 663120), (33156, 629480), (36840, 566532), (41445, 503584), (44208, 472110), (47211, 442080), (49120, 424899), (55260, 377688), (62948, 331560), (66312, 314740), (73680, 283266), (78685, 265248), (82890, 251792), (88416, 236055), (94422, 221040), (110520, 188844), (125896, 165780), (132624, 157370), (141633, 147360)]