257618880

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{3313}}^1$

素因数の和:3345

約数の個数: 168

約数和(自身を含む): 919197552

約数和(自身を除く): 661578672

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1620, 1728, 1944, 2160, 2430, 2592, 2880, 3240, 3313, 3888, 4320, 4860, 5184, 6480, 6626, 7776, 8640, 9720, 9939, 12960, 13252, 15552, 16565, 19440, 19878, 25920, 26504, 29817, 33130, 38880, 39756, 49695, 53008, 59634, 66260, 77760, 79512, 89451, 99390, 106016, 119268, 132520, 149085, 159024, 178902, 198780, 212032, 238536, 265040, 268353, 298170, 318048, 357804, 397560, 447255, 477072, 530080, 536706, 596340, 636096, 715608, 795120, 805059, 894510, 954144, 1060160, 1073412, 1192680, 1341765, 1431216, 1590240, 1610118, 1789020, 1908288, 2146824, 2385360, 2683530, 2862432, 3180480, 3220236, 3578040, 4025295, 4293648, 4770720, 5367060, 5724864, 6440472, 7156080, 8050590, 8587296, 9541440, 10734120, 12880944, 14312160, 16101180, 17174592, 21468240, 25761888, 28624320, 32202360, 42936480, 51523776, 64404720, 85872960, 128809440, 257618880]

約数ペア:

[(1, 257618880), (2, 128809440), (3, 85872960), (4, 64404720), (5, 51523776), (6, 42936480), (8, 32202360), (9, 28624320), (10, 25761888), (12, 21468240), (15, 17174592), (16, 16101180), (18, 14312160), (20, 12880944), (24, 10734120), (27, 9541440), (30, 8587296), (32, 8050590), (36, 7156080), (40, 6440472), (45, 5724864), (48, 5367060), (54, 4770720), (60, 4293648), (64, 4025295), (72, 3578040), (80, 3220236), (81, 3180480), (90, 2862432), (96, 2683530), (108, 2385360), (120, 2146824), (135, 1908288), (144, 1789020), (160, 1610118), (162, 1590240), (180, 1431216), (192, 1341765), (216, 1192680), (240, 1073412), (243, 1060160), (270, 954144), (288, 894510), (320, 805059), (324, 795120), (360, 715608), (405, 636096), (432, 596340), (480, 536706), (486, 530080), (540, 477072), (576, 447255), (648, 397560), (720, 357804), (810, 318048), (864, 298170), (960, 268353), (972, 265040), (1080, 238536), (1215, 212032), (1296, 198780), (1440, 178902), (1620, 159024), (1728, 149085), (1944, 132520), (2160, 119268), (2430, 106016), (2592, 99390), (2880, 89451), (3240, 79512), (3313, 77760), (3888, 66260), (4320, 59634), (4860, 53008), (5184, 49695), (6480, 39756), (6626, 38880), (7776, 33130), (8640, 29817), (9720, 26504), (9939, 25920), (12960, 19878), (13252, 19440), (15552, 16565)]