1621276720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{6173}}^1$

素因数の和:6267

約数の個数: 120

約数和(自身を含む): 4451058864

約数和(自身を除く): 2829782144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 196, 245, 268, 280, 335, 392, 469, 490, 536, 560, 670, 784, 938, 980, 1072, 1340, 1876, 1960, 2345, 2680, 3283, 3752, 3920, 4690, 5360, 6173, 6566, 7504, 9380, 12346, 13132, 16415, 18760, 24692, 26264, 30865, 32830, 37520, 43211, 49384, 52528, 61730, 65660, 86422, 98768, 123460, 131320, 172844, 216055, 246920, 262640, 302477, 345688, 413591, 432110, 493840, 604954, 691376, 827182, 864220, 1209908, 1512385, 1654364, 1728440, 2067955, 2419816, 2895137, 3024770, 3308728, 3456880, 4135910, 4839632, 5790274, 6049540, 6617456, 8271820, 11580548, 12099080, 14475685, 16543640, 20265959, 23161096, 24198160, 28951370, 33087280, 40531918, 46322192, 57902740, 81063836, 101329795, 115805480, 162127672, 202659590, 231610960, 324255344, 405319180, 810638360, 1621276720]

約数ペア:

[(1, 1621276720), (2, 810638360), (4, 405319180), (5, 324255344), (7, 231610960), (8, 202659590), (10, 162127672), (14, 115805480), (16, 101329795), (20, 81063836), (28, 57902740), (35, 46322192), (40, 40531918), (49, 33087280), (56, 28951370), (67, 24198160), (70, 23161096), (80, 20265959), (98, 16543640), (112, 14475685), (134, 12099080), (140, 11580548), (196, 8271820), (245, 6617456), (268, 6049540), (280, 5790274), (335, 4839632), (392, 4135910), (469, 3456880), (490, 3308728), (536, 3024770), (560, 2895137), (670, 2419816), (784, 2067955), (938, 1728440), (980, 1654364), (1072, 1512385), (1340, 1209908), (1876, 864220), (1960, 827182), (2345, 691376), (2680, 604954), (3283, 493840), (3752, 432110), (3920, 413591), (4690, 345688), (5360, 302477), (6173, 262640), (6566, 246920), (7504, 216055), (9380, 172844), (12346, 131320), (13132, 123460), (16415, 98768), (18760, 86422), (24692, 65660), (26264, 61730), (30865, 52528), (32830, 49384), (37520, 43211)]