1209639440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1777}}^1$

素因数の和:1984

約数の個数: 80

約数和(自身を含む): 2878482432

約数和(自身を除く): 1668842992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 127, 134, 254, 268, 335, 508, 536, 635, 670, 1016, 1072, 1270, 1340, 1777, 2032, 2540, 2680, 3554, 5080, 5360, 7108, 8509, 8885, 10160, 14216, 17018, 17770, 28432, 34036, 35540, 42545, 68072, 71080, 85090, 119059, 136144, 142160, 170180, 225679, 238118, 340360, 451358, 476236, 595295, 680720, 902716, 952472, 1128395, 1190590, 1805432, 1904944, 2256790, 2381180, 3610864, 4513580, 4762360, 9027160, 9524720, 15120493, 18054320, 30240986, 60481972, 75602465, 120963944, 151204930, 241927888, 302409860, 604819720, 1209639440]

約数ペア:

[(1, 1209639440), (2, 604819720), (4, 302409860), (5, 241927888), (8, 151204930), (10, 120963944), (16, 75602465), (20, 60481972), (40, 30240986), (67, 18054320), (80, 15120493), (127, 9524720), (134, 9027160), (254, 4762360), (268, 4513580), (335, 3610864), (508, 2381180), (536, 2256790), (635, 1904944), (670, 1805432), (1016, 1190590), (1072, 1128395), (1270, 952472), (1340, 902716), (1777, 680720), (2032, 595295), (2540, 476236), (2680, 451358), (3554, 340360), (5080, 238118), (5360, 225679), (7108, 170180), (8509, 142160), (8885, 136144), (10160, 119059), (14216, 85090), (17018, 71080), (17770, 68072), (28432, 42545), (34036, 35540)]