338653120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:798

約数の個数: 112

約数和(自身を含む): 876653568

約数和(自身を除く): 538000448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 508, 520, 635, 641, 832, 1016, 1040, 1270, 1282, 1651, 2032, 2080, 2540, 2564, 3205, 3302, 4064, 4160, 5080, 5128, 6410, 6604, 8128, 8255, 8333, 10160, 10256, 12820, 13208, 16510, 16666, 20320, 20512, 25640, 26416, 33020, 33332, 40640, 41024, 41665, 51280, 52832, 66040, 66664, 81407, 83330, 102560, 105664, 132080, 133328, 162814, 166660, 205120, 264160, 266656, 325628, 333320, 407035, 528320, 533312, 651256, 666640, 814070, 1058291, 1302512, 1333280, 1628140, 2116582, 2605024, 2666560, 3256280, 4233164, 5210048, 5291455, 6512560, 8466328, 10582910, 13025120, 16932656, 21165820, 26050240, 33865312, 42331640, 67730624, 84663280, 169326560, 338653120]

約数ペア:

[(1, 338653120), (2, 169326560), (4, 84663280), (5, 67730624), (8, 42331640), (10, 33865312), (13, 26050240), (16, 21165820), (20, 16932656), (26, 13025120), (32, 10582910), (40, 8466328), (52, 6512560), (64, 5291455), (65, 5210048), (80, 4233164), (104, 3256280), (127, 2666560), (130, 2605024), (160, 2116582), (208, 1628140), (254, 1333280), (260, 1302512), (320, 1058291), (416, 814070), (508, 666640), (520, 651256), (635, 533312), (641, 528320), (832, 407035), (1016, 333320), (1040, 325628), (1270, 266656), (1282, 264160), (1651, 205120), (2032, 166660), (2080, 162814), (2540, 133328), (2564, 132080), (3205, 105664), (3302, 102560), (4064, 83330), (4160, 81407), (5080, 66664), (5128, 66040), (6410, 52832), (6604, 51280), (8128, 41665), (8255, 41024), (8333, 40640), (10160, 33332), (10256, 33020), (12820, 26416), (13208, 25640), (16510, 20512), (16666, 20320)]