128809440

素因数分解:

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

素因数の和:3343

約数の個数: 144

約数和(自身を含む): 455979888

約数和(自身を除く): 327170448

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

約数ペア:

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