257610240

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{3727}}^1$

素因数の和:3759

約数の個数: 160

約数和(自身を含む): 915298560

約数和(自身を除く): 657688320

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3727, 3840, 4320, 4608, 5760, 6912, 7454, 7680, 8640, 11181, 11520, 13824, 14908, 17280, 18635, 22362, 23040, 29816, 33543, 34560, 37270, 44724, 55905, 59632, 67086, 69120, 74540, 89448, 100629, 111810, 119264, 134172, 149080, 167715, 178896, 201258, 223620, 238528, 268344, 298160, 335430, 357792, 402516, 447240, 477056, 503145, 536688, 596320, 670860, 715584, 805032, 894480, 954112, 1006290, 1073376, 1192640, 1341720, 1431168, 1610064, 1788960, 1908224, 2012580, 2146752, 2385280, 2683440, 2862336, 3220128, 3577920, 4025160, 4293504, 4770560, 5366880, 5724672, 6440256, 7155840, 8050320, 8587008, 9541120, 10733760, 12880512, 14311680, 16100640, 17174016, 21467520, 25761024, 28623360, 32201280, 42935040, 51522048, 64402560, 85870080, 128805120, 257610240]

約数ペア:

[(1, 257610240), (2, 128805120), (3, 85870080), (4, 64402560), (5, 51522048), (6, 42935040), (8, 32201280), (9, 28623360), (10, 25761024), (12, 21467520), (15, 17174016), (16, 16100640), (18, 14311680), (20, 12880512), (24, 10733760), (27, 9541120), (30, 8587008), (32, 8050320), (36, 7155840), (40, 6440256), (45, 5724672), (48, 5366880), (54, 4770560), (60, 4293504), (64, 4025160), (72, 3577920), (80, 3220128), (90, 2862336), (96, 2683440), (108, 2385280), (120, 2146752), (128, 2012580), (135, 1908224), (144, 1788960), (160, 1610064), (180, 1431168), (192, 1341720), (216, 1192640), (240, 1073376), (256, 1006290), (270, 954112), (288, 894480), (320, 805032), (360, 715584), (384, 670860), (432, 596320), (480, 536688), (512, 503145), (540, 477056), (576, 447240), (640, 402516), (720, 357792), (768, 335430), (864, 298160), (960, 268344), (1080, 238528), (1152, 223620), (1280, 201258), (1440, 178896), (1536, 167715), (1728, 149080), (1920, 134172), (2160, 119264), (2304, 111810), (2560, 100629), (2880, 89448), (3456, 74540), (3727, 69120), (3840, 67086), (4320, 59632), (4608, 55905), (5760, 44724), (6912, 37270), (7454, 34560), (7680, 33543), (8640, 29816), (11181, 23040), (11520, 22362), (13824, 18635), (14908, 17280)]