20120338680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{25847}}^1$

素因数の和:26373

約数の個数: 128

約数和(自身を含む): 65136960000

約数和(自身を除く): 45016621320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 499, 520, 780, 998, 1497, 1560, 1996, 2495, 2994, 3992, 4990, 5988, 6487, 7485, 9980, 11976, 12974, 14970, 19461, 19960, 25847, 25948, 29940, 32435, 38922, 51694, 51896, 59880, 64870, 77541, 77844, 97305, 103388, 129235, 129740, 155082, 155688, 194610, 206776, 258470, 259480, 310164, 336011, 387705, 389220, 516940, 620328, 672022, 775410, 778440, 1008033, 1033880, 1344044, 1550820, 1680055, 2016066, 2688088, 3101640, 3360110, 4032132, 5040165, 6720220, 8064264, 10080330, 12897653, 13440440, 20160660, 25795306, 38692959, 40321320, 51590612, 64488265, 77385918, 103181224, 128976530, 154771836, 167669489, 193464795, 257953060, 309543672, 335338978, 386929590, 503008467, 515906120, 670677956, 773859180, 838347445, 1006016934, 1341355912, 1547718360, 1676694890, 2012033868, 2515042335, 3353389780, 4024067736, 5030084670, 6706779560, 10060169340, 20120338680]

約数ペア:

[(1, 20120338680), (2, 10060169340), (3, 6706779560), (4, 5030084670), (5, 4024067736), (6, 3353389780), (8, 2515042335), (10, 2012033868), (12, 1676694890), (13, 1547718360), (15, 1341355912), (20, 1006016934), (24, 838347445), (26, 773859180), (30, 670677956), (39, 515906120), (40, 503008467), (52, 386929590), (60, 335338978), (65, 309543672), (78, 257953060), (104, 193464795), (120, 167669489), (130, 154771836), (156, 128976530), (195, 103181224), (260, 77385918), (312, 64488265), (390, 51590612), (499, 40321320), (520, 38692959), (780, 25795306), (998, 20160660), (1497, 13440440), (1560, 12897653), (1996, 10080330), (2495, 8064264), (2994, 6720220), (3992, 5040165), (4990, 4032132), (5988, 3360110), (6487, 3101640), (7485, 2688088), (9980, 2016066), (11976, 1680055), (12974, 1550820), (14970, 1344044), (19461, 1033880), (19960, 1008033), (25847, 778440), (25948, 775410), (29940, 672022), (32435, 620328), (38922, 516940), (51694, 389220), (51896, 387705), (59880, 336011), (64870, 310164), (77541, 259480), (77844, 258470), (97305, 206776), (103388, 194610), (129235, 155688), (129740, 155082)]