1673840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 4612800

約数和(自身を除く): 2938960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 343, 392, 427, 488, 490, 560, 610, 686, 784, 854, 976, 980, 1220, 1372, 1708, 1715, 1960, 2135, 2440, 2744, 2989, 3416, 3430, 3920, 4270, 4880, 5488, 5978, 6832, 6860, 8540, 11956, 13720, 14945, 17080, 20923, 23912, 27440, 29890, 34160, 41846, 47824, 59780, 83692, 104615, 119560, 167384, 209230, 239120, 334768, 418460, 836920, 1673840]

約数ペア:

[(1, 1673840), (2, 836920), (4, 418460), (5, 334768), (7, 239120), (8, 209230), (10, 167384), (14, 119560), (16, 104615), (20, 83692), (28, 59780), (35, 47824), (40, 41846), (49, 34160), (56, 29890), (61, 27440), (70, 23912), (80, 20923), (98, 17080), (112, 14945), (122, 13720), (140, 11956), (196, 8540), (244, 6860), (245, 6832), (280, 5978), (305, 5488), (343, 4880), (392, 4270), (427, 3920), (488, 3430), (490, 3416), (560, 2989), (610, 2744), (686, 2440), (784, 2135), (854, 1960), (976, 1715), (980, 1708), (1220, 1372)]