1982717440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:604

約数の個数: 160

約数和(自身を含む): 5228102880

約数和(自身を除く): 3245385440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 181, 220, 256, 320, 352, 362, 389, 440, 512, 640, 704, 724, 778, 880, 905, 1280, 1408, 1448, 1556, 1760, 1810, 1945, 1991, 2560, 2816, 2896, 3112, 3520, 3620, 3890, 3982, 4279, 5632, 5792, 6224, 7040, 7240, 7780, 7964, 8558, 9955, 11584, 12448, 14080, 14480, 15560, 15928, 17116, 19910, 21395, 23168, 24896, 28160, 28960, 31120, 31856, 34232, 39820, 42790, 46336, 49792, 57920, 62240, 63712, 68464, 70409, 79640, 85580, 92672, 99584, 115840, 124480, 127424, 136928, 140818, 159280, 171160, 199168, 231680, 248960, 254848, 273856, 281636, 318560, 342320, 352045, 463360, 497920, 509696, 547712, 563272, 637120, 684640, 704090, 774499, 995840, 1019392, 1095424, 1126544, 1274240, 1369280, 1408180, 1548998, 2190848, 2253088, 2548480, 2738560, 2816360, 3097996, 3872495, 4506176, 5096960, 5477120, 5632720, 6195992, 7744990, 9012352, 10954240, 11265440, 12391984, 15489980, 18024704, 22530880, 24783968, 30979960, 36049408, 45061760, 49567936, 61959920, 90123520, 99135872, 123919840, 180247040, 198271744, 247839680, 396543488, 495679360, 991358720, 1982717440]

約数ペア:

[(1, 1982717440), (2, 991358720), (4, 495679360), (5, 396543488), (8, 247839680), (10, 198271744), (11, 180247040), (16, 123919840), (20, 99135872), (22, 90123520), (32, 61959920), (40, 49567936), (44, 45061760), (55, 36049408), (64, 30979960), (80, 24783968), (88, 22530880), (110, 18024704), (128, 15489980), (160, 12391984), (176, 11265440), (181, 10954240), (220, 9012352), (256, 7744990), (320, 6195992), (352, 5632720), (362, 5477120), (389, 5096960), (440, 4506176), (512, 3872495), (640, 3097996), (704, 2816360), (724, 2738560), (778, 2548480), (880, 2253088), (905, 2190848), (1280, 1548998), (1408, 1408180), (1448, 1369280), (1556, 1274240), (1760, 1126544), (1810, 1095424), (1945, 1019392), (1991, 995840), (2560, 774499), (2816, 704090), (2896, 684640), (3112, 637120), (3520, 563272), (3620, 547712), (3890, 509696), (3982, 497920), (4279, 463360), (5632, 352045), (5792, 342320), (6224, 318560), (7040, 281636), (7240, 273856), (7780, 254848), (7964, 248960), (8558, 231680), (9955, 199168), (11584, 171160), (12448, 159280), (14080, 140818), (14480, 136928), (15560, 127424), (15928, 124480), (17116, 115840), (19910, 99584), (21395, 92672), (23168, 85580), (24896, 79640), (28160, 70409), (28960, 68464), (31120, 63712), (31856, 62240), (34232, 57920), (39820, 49792), (42790, 46336)]