258802560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:926

約数の個数: 256

約数和(自身を含む): 971611200

約数和(自身を除く): 712808640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 881, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1762, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2643, 2720, 2880, 3060, 3264, 3456, 3524, 3672, 4080, 4320, 4405, 4590, 4896, 5286, 5440, 5760, 6120, 6528, 7048, 7344, 7929, 8160, 8640, 8810, 9180, 9792, 10572, 10880, 12240, 13215, 14096, 14688, 14977, 15858, 16320, 17280, 17620, 18360, 19584, 21144, 23787, 24480, 26430, 28192, 29376, 29954, 31716, 32640, 35240, 36720, 39645, 42288, 44931, 47574, 48960, 52860, 56384, 58752, 59908, 63432, 70480, 73440, 74885, 79290, 84576, 89862, 95148, 97920, 105720, 112768, 118935, 119816, 126864, 134793, 140960, 146880, 149770, 158580, 169152, 179724, 190296, 211440, 224655, 237870, 239632, 253728, 269586, 281920, 293760, 299540, 317160, 338304, 359448, 380592, 404379, 422880, 449310, 475740, 479264, 507456, 539172, 563840, 599080, 634320, 673965, 718896, 761184, 808758, 845760, 898620, 951480, 958528, 1014912, 1078344, 1198160, 1268640, 1347930, 1437792, 1522368, 1617516, 1691520, 1797240, 1902960, 1917056, 2021895, 2156688, 2396320, 2537280, 2695860, 2875584, 3044736, 3235032, 3594480, 3805920, 4043790, 4313376, 4792640, 5074560, 5391720, 5751168, 6470064, 7188960, 7611840, 8087580, 8626752, 9585280, 10783440, 12940128, 14377920, 15223680, 16175160, 17253504, 21566880, 25880256, 28755840, 32350320, 43133760, 51760512, 64700640, 86267520, 129401280, 258802560]

約数ペア:

[(1, 258802560), (2, 129401280), (3, 86267520), (4, 64700640), (5, 51760512), (6, 43133760), (8, 32350320), (9, 28755840), (10, 25880256), (12, 21566880), (15, 17253504), (16, 16175160), (17, 15223680), (18, 14377920), (20, 12940128), (24, 10783440), (27, 9585280), (30, 8626752), (32, 8087580), (34, 7611840), (36, 7188960), (40, 6470064), (45, 5751168), (48, 5391720), (51, 5074560), (54, 4792640), (60, 4313376), (64, 4043790), (68, 3805920), (72, 3594480), (80, 3235032), (85, 3044736), (90, 2875584), (96, 2695860), (102, 2537280), (108, 2396320), (120, 2156688), (128, 2021895), (135, 1917056), (136, 1902960), (144, 1797240), (153, 1691520), (160, 1617516), (170, 1522368), (180, 1437792), (192, 1347930), (204, 1268640), (216, 1198160), (240, 1078344), (255, 1014912), (270, 958528), (272, 951480), (288, 898620), (306, 845760), (320, 808758), (340, 761184), (360, 718896), (384, 673965), (408, 634320), (432, 599080), (459, 563840), (480, 539172), (510, 507456), (540, 479264), (544, 475740), (576, 449310), (612, 422880), (640, 404379), (680, 380592), (720, 359448), (765, 338304), (816, 317160), (864, 299540), (881, 293760), (918, 281920), (960, 269586), (1020, 253728), (1080, 239632), (1088, 237870), (1152, 224655), (1224, 211440), (1360, 190296), (1440, 179724), (1530, 169152), (1632, 158580), (1728, 149770), (1762, 146880), (1836, 140960), (1920, 134793), (2040, 126864), (2160, 119816), (2176, 118935), (2295, 112768), (2448, 105720), (2643, 97920), (2720, 95148), (2880, 89862), (3060, 84576), (3264, 79290), (3456, 74885), (3524, 73440), (3672, 70480), (4080, 63432), (4320, 59908), (4405, 58752), (4590, 56384), (4896, 52860), (5286, 48960), (5440, 47574), (5760, 44931), (6120, 42288), (6528, 39645), (7048, 36720), (7344, 35240), (7929, 32640), (8160, 31716), (8640, 29954), (8810, 29376), (9180, 28192), (9792, 26430), (10572, 24480), (10880, 23787), (12240, 21144), (13215, 19584), (14096, 18360), (14688, 17620), (14977, 17280), (15858, 16320)]