2449968640

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19531}}^1$

素因数の和:19568

約数の個数: 120

約数和(自身を含む): 6833582712

約数和(自身を除く): 4383614072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 12544, 15680, 17920, 19531, 25088, 31360, 39062, 62720, 78124, 97655, 125440, 136717, 156248, 195310, 273434, 312496, 390620, 546868, 624992, 683585, 781240, 957019, 1093736, 1249984, 1367170, 1562480, 1914038, 2187472, 2499968, 2734340, 3124960, 3828076, 4374944, 4785095, 4999936, 5468680, 6249920, 7656152, 8749888, 9570190, 9999872, 10937360, 12499840, 15312304, 17499776, 19140380, 21874720, 24999680, 30624608, 34999552, 38280760, 43749440, 49999360, 61249216, 69999104, 76561520, 87498880, 122498432, 153123040, 174997760, 244996864, 306246080, 349995520, 489993728, 612492160, 1224984320, 2449968640]

約数ペア:

[(1, 2449968640), (2, 1224984320), (4, 612492160), (5, 489993728), (7, 349995520), (8, 306246080), (10, 244996864), (14, 174997760), (16, 153123040), (20, 122498432), (28, 87498880), (32, 76561520), (35, 69999104), (40, 61249216), (49, 49999360), (56, 43749440), (64, 38280760), (70, 34999552), (80, 30624608), (98, 24999680), (112, 21874720), (128, 19140380), (140, 17499776), (160, 15312304), (196, 12499840), (224, 10937360), (245, 9999872), (256, 9570190), (280, 8749888), (320, 7656152), (392, 6249920), (448, 5468680), (490, 4999936), (512, 4785095), (560, 4374944), (640, 3828076), (784, 3124960), (896, 2734340), (980, 2499968), (1120, 2187472), (1280, 1914038), (1568, 1562480), (1792, 1367170), (1960, 1249984), (2240, 1093736), (2560, 957019), (3136, 781240), (3584, 683585), (3920, 624992), (4480, 546868), (6272, 390620), (7840, 312496), (8960, 273434), (12544, 195310), (15680, 156248), (17920, 136717), (19531, 125440), (25088, 97655), (31360, 78124), (39062, 62720)]