128960640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 256

約数和(自身を含む): 484704000

約数和(自身を除く): 355743360

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, 439, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 878, 918, 960, 1020, 1080, 1088, 1152, 1224, 1317, 1360, 1440, 1530, 1632, 1728, 1756, 1836, 1920, 2040, 2160, 2176, 2195, 2295, 2448, 2634, 2720, 2880, 3060, 3264, 3456, 3512, 3672, 3951, 4080, 4320, 4390, 4590, 4896, 5268, 5440, 5760, 6120, 6528, 6585, 7024, 7344, 7463, 7902, 8160, 8640, 8780, 9180, 9792, 10536, 10880, 11853, 12240, 13170, 14048, 14688, 14926, 15804, 16320, 17280, 17560, 18360, 19584, 19755, 21072, 22389, 23706, 24480, 26340, 28096, 29376, 29852, 31608, 32640, 35120, 36720, 37315, 39510, 42144, 44778, 47412, 48960, 52680, 56192, 58752, 59265, 59704, 63216, 67167, 70240, 73440, 74630, 79020, 84288, 89556, 94824, 97920, 105360, 111945, 118530, 119408, 126432, 134334, 140480, 146880, 149260, 158040, 168576, 179112, 189648, 201501, 210720, 223890, 237060, 238816, 252864, 268668, 280960, 293760, 298520, 316080, 335835, 358224, 379296, 403002, 421440, 447780, 474120, 477632, 505728, 537336, 597040, 632160, 671670, 716448, 758592, 806004, 842880, 895560, 948240, 955264, 1007505, 1074672, 1194080, 1264320, 1343340, 1432896, 1517184, 1612008, 1791120, 1896480, 2015010, 2149344, 2388160, 2528640, 2686680, 2865792, 3224016, 3582240, 3792960, 4030020, 4298688, 4776320, 5373360, 6448032, 7164480, 7585920, 8060040, 8597376, 10746720, 12896064, 14328960, 16120080, 21493440, 25792128, 32240160, 42986880, 64480320, 128960640]

約数ペア:

[(1, 128960640), (2, 64480320), (3, 42986880), (4, 32240160), (5, 25792128), (6, 21493440), (8, 16120080), (9, 14328960), (10, 12896064), (12, 10746720), (15, 8597376), (16, 8060040), (17, 7585920), (18, 7164480), (20, 6448032), (24, 5373360), (27, 4776320), (30, 4298688), (32, 4030020), (34, 3792960), (36, 3582240), (40, 3224016), (45, 2865792), (48, 2686680), (51, 2528640), (54, 2388160), (60, 2149344), (64, 2015010), (68, 1896480), (72, 1791120), (80, 1612008), (85, 1517184), (90, 1432896), (96, 1343340), (102, 1264320), (108, 1194080), (120, 1074672), (128, 1007505), (135, 955264), (136, 948240), (144, 895560), (153, 842880), (160, 806004), (170, 758592), (180, 716448), (192, 671670), (204, 632160), (216, 597040), (240, 537336), (255, 505728), (270, 477632), (272, 474120), (288, 447780), (306, 421440), (320, 403002), (340, 379296), (360, 358224), (384, 335835), (408, 316080), (432, 298520), (439, 293760), (459, 280960), (480, 268668), (510, 252864), (540, 238816), (544, 237060), (576, 223890), (612, 210720), (640, 201501), (680, 189648), (720, 179112), (765, 168576), (816, 158040), (864, 149260), (878, 146880), (918, 140480), (960, 134334), (1020, 126432), (1080, 119408), (1088, 118530), (1152, 111945), (1224, 105360), (1317, 97920), (1360, 94824), (1440, 89556), (1530, 84288), (1632, 79020), (1728, 74630), (1756, 73440), (1836, 70240), (1920, 67167), (2040, 63216), (2160, 59704), (2176, 59265), (2195, 58752), (2295, 56192), (2448, 52680), (2634, 48960), (2720, 47412), (2880, 44778), (3060, 42144), (3264, 39510), (3456, 37315), (3512, 36720), (3672, 35120), (3951, 32640), (4080, 31608), (4320, 29852), (4390, 29376), (4590, 28096), (4896, 26340), (5268, 24480), (5440, 23706), (5760, 22389), (6120, 21072), (6528, 19755), (6585, 19584), (7024, 18360), (7344, 17560), (7463, 17280), (7902, 16320), (8160, 15804), (8640, 14926), (8780, 14688), (9180, 14048), (9792, 13170), (10536, 12240), (10880, 11853)]