427853440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2290

約数の個数: 128

約数和(自身を含む): 1196680320

約数和(自身を除く): 768826880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1120, 1204, 1376, 1505, 1720, 2221, 2240, 2408, 2752, 3010, 3440, 4442, 4480, 4816, 5504, 6020, 6880, 8884, 9632, 11105, 12040, 13760, 15547, 17768, 19264, 22210, 24080, 27520, 31094, 35536, 38528, 44420, 48160, 62188, 71072, 77735, 88840, 95503, 96320, 124376, 142144, 155470, 177680, 191006, 192640, 248752, 284288, 310940, 355360, 382012, 477515, 497504, 621880, 668521, 710720, 764024, 955030, 995008, 1243760, 1337042, 1421440, 1528048, 1910060, 1990016, 2487520, 2674084, 3056096, 3342605, 3820120, 4975040, 5348168, 6112192, 6685210, 7640240, 9950080, 10696336, 12224384, 13370420, 15280480, 21392672, 26740840, 30560960, 42785344, 53481680, 61121920, 85570688, 106963360, 213926720, 427853440]

約数ペア:

[(1, 427853440), (2, 213926720), (4, 106963360), (5, 85570688), (7, 61121920), (8, 53481680), (10, 42785344), (14, 30560960), (16, 26740840), (20, 21392672), (28, 15280480), (32, 13370420), (35, 12224384), (40, 10696336), (43, 9950080), (56, 7640240), (64, 6685210), (70, 6112192), (80, 5348168), (86, 4975040), (112, 3820120), (128, 3342605), (140, 3056096), (160, 2674084), (172, 2487520), (215, 1990016), (224, 1910060), (280, 1528048), (301, 1421440), (320, 1337042), (344, 1243760), (430, 995008), (448, 955030), (560, 764024), (602, 710720), (640, 668521), (688, 621880), (860, 497504), (896, 477515), (1120, 382012), (1204, 355360), (1376, 310940), (1505, 284288), (1720, 248752), (2221, 192640), (2240, 191006), (2408, 177680), (2752, 155470), (3010, 142144), (3440, 124376), (4442, 96320), (4480, 95503), (4816, 88840), (5504, 77735), (6020, 71072), (6880, 62188), (8884, 48160), (9632, 44420), (11105, 38528), (12040, 35536), (13760, 31094), (15547, 27520), (17768, 24080), (19264, 22210)]