210776960

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5399}}^1$

素因数の和:5479

約数の個数: 64

約数和(自身を含む): 512244000

約数和(自身を除く): 301467040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 5399, 7808, 9760, 10798, 19520, 21596, 26995, 39040, 43192, 53990, 86384, 107980, 172768, 215960, 329339, 345536, 431920, 658678, 691072, 863840, 1317356, 1646695, 1727680, 2634712, 3293390, 3455360, 5269424, 6586780, 10538848, 13173560, 21077696, 26347120, 42155392, 52694240, 105388480, 210776960]

約数ペア:

[(1, 210776960), (2, 105388480), (4, 52694240), (5, 42155392), (8, 26347120), (10, 21077696), (16, 13173560), (20, 10538848), (32, 6586780), (40, 5269424), (61, 3455360), (64, 3293390), (80, 2634712), (122, 1727680), (128, 1646695), (160, 1317356), (244, 863840), (305, 691072), (320, 658678), (488, 431920), (610, 345536), (640, 329339), (976, 215960), (1220, 172768), (1952, 107980), (2440, 86384), (3904, 53990), (4880, 43192), (5399, 39040), (7808, 26995), (9760, 21596), (10798, 19520)]