210779520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{15683}}^1$

素因数の和:15712

約数の個数: 128

約数和(自身を含む): 767888640

約数和(自身を除く): 557109120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 15683, 31366, 47049, 62732, 78415, 94098, 109781, 125464, 156830, 188196, 219562, 235245, 250928, 313660, 329343, 376392, 439124, 470490, 501856, 548905, 627320, 658686, 752784, 878248, 940980, 1003712, 1097810, 1254640, 1317372, 1505568, 1646715, 1756496, 1881960, 2007424, 2195620, 2509280, 2634744, 3011136, 3293430, 3512992, 3763920, 4391240, 5018560, 5269488, 6022272, 6586860, 7025984, 7527840, 8782480, 10037120, 10538976, 13173720, 14051968, 15055680, 17564960, 21077952, 26347440, 30111360, 35129920, 42155904, 52694880, 70259840, 105389760, 210779520]

約数ペア:

[(1, 210779520), (2, 105389760), (3, 70259840), (4, 52694880), (5, 42155904), (6, 35129920), (7, 30111360), (8, 26347440), (10, 21077952), (12, 17564960), (14, 15055680), (15, 14051968), (16, 13173720), (20, 10538976), (21, 10037120), (24, 8782480), (28, 7527840), (30, 7025984), (32, 6586860), (35, 6022272), (40, 5269488), (42, 5018560), (48, 4391240), (56, 3763920), (60, 3512992), (64, 3293430), (70, 3011136), (80, 2634744), (84, 2509280), (96, 2195620), (105, 2007424), (112, 1881960), (120, 1756496), (128, 1646715), (140, 1505568), (160, 1317372), (168, 1254640), (192, 1097810), (210, 1003712), (224, 940980), (240, 878248), (280, 752784), (320, 658686), (336, 627320), (384, 548905), (420, 501856), (448, 470490), (480, 439124), (560, 376392), (640, 329343), (672, 313660), (840, 250928), (896, 235245), (960, 219562), (1120, 188196), (1344, 156830), (1680, 125464), (1920, 109781), (2240, 94098), (2688, 78415), (3360, 62732), (4480, 47049), (6720, 31366), (13440, 15683)]