1997377920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{115589}}^1$

素因数の和:115617

約数の個数: 128

約数和(自身を含む): 7074108000

約数和(自身を除く): 5076730080

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 115589, 231178, 346767, 462356, 577945, 693534, 924712, 1040301, 1155890, 1387068, 1733835, 1849424, 2080602, 2311780, 2774136, 3120903, 3467670, 3698848, 4161204, 4623560, 5201505, 5548272, 6241806, 6935340, 7397696, 8322408, 9247120, 10403010, 11096544, 12483612, 13870680, 14795392, 15604515, 16644816, 18494240, 20806020, 22193088, 24967224, 27741360, 31209030, 33289632, 36988480, 41612040, 44386176, 49934448, 55482720, 62418060, 66579264, 73976960, 83224080, 99868896, 110965440, 124836120, 133158528, 166448160, 199737792, 221930880, 249672240, 332896320, 399475584, 499344480, 665792640, 998688960, 1997377920]

約数ペア:

[(1, 1997377920), (2, 998688960), (3, 665792640), (4, 499344480), (5, 399475584), (6, 332896320), (8, 249672240), (9, 221930880), (10, 199737792), (12, 166448160), (15, 133158528), (16, 124836120), (18, 110965440), (20, 99868896), (24, 83224080), (27, 73976960), (30, 66579264), (32, 62418060), (36, 55482720), (40, 49934448), (45, 44386176), (48, 41612040), (54, 36988480), (60, 33289632), (64, 31209030), (72, 27741360), (80, 24967224), (90, 22193088), (96, 20806020), (108, 18494240), (120, 16644816), (128, 15604515), (135, 14795392), (144, 13870680), (160, 12483612), (180, 11096544), (192, 10403010), (216, 9247120), (240, 8322408), (270, 7397696), (288, 6935340), (320, 6241806), (360, 5548272), (384, 5201505), (432, 4623560), (480, 4161204), (540, 3698848), (576, 3467670), (640, 3120903), (720, 2774136), (864, 2311780), (960, 2080602), (1080, 1849424), (1152, 1733835), (1440, 1387068), (1728, 1155890), (1920, 1040301), (2160, 924712), (2880, 693534), (3456, 577945), (4320, 462356), (5760, 346767), (8640, 231178), (17280, 115589)]