6471920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 18998784

約数和(自身を除く): 12526864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 127, 130, 140, 182, 196, 208, 245, 254, 260, 280, 364, 392, 455, 490, 508, 520, 560, 635, 637, 728, 784, 889, 910, 980, 1016, 1040, 1270, 1274, 1456, 1651, 1778, 1820, 1960, 2032, 2540, 2548, 3185, 3302, 3556, 3640, 3920, 4445, 5080, 5096, 6223, 6370, 6604, 7112, 7280, 8255, 8890, 10160, 10192, 11557, 12446, 12740, 13208, 14224, 16510, 17780, 23114, 24892, 25480, 26416, 31115, 33020, 35560, 46228, 49784, 50960, 57785, 62230, 66040, 71120, 80899, 92456, 99568, 115570, 124460, 132080, 161798, 184912, 231140, 248920, 323596, 404495, 462280, 497840, 647192, 808990, 924560, 1294384, 1617980, 3235960, 6471920]

約数ペア:

[(1, 6471920), (2, 3235960), (4, 1617980), (5, 1294384), (7, 924560), (8, 808990), (10, 647192), (13, 497840), (14, 462280), (16, 404495), (20, 323596), (26, 248920), (28, 231140), (35, 184912), (40, 161798), (49, 132080), (52, 124460), (56, 115570), (65, 99568), (70, 92456), (80, 80899), (91, 71120), (98, 66040), (104, 62230), (112, 57785), (127, 50960), (130, 49784), (140, 46228), (182, 35560), (196, 33020), (208, 31115), (245, 26416), (254, 25480), (260, 24892), (280, 23114), (364, 17780), (392, 16510), (455, 14224), (490, 13208), (508, 12740), (520, 12446), (560, 11557), (635, 10192), (637, 10160), (728, 8890), (784, 8255), (889, 7280), (910, 7112), (980, 6604), (1016, 6370), (1040, 6223), (1270, 5096), (1274, 5080), (1456, 4445), (1651, 3920), (1778, 3640), (1820, 3556), (1960, 3302), (2032, 3185), (2540, 2548)]