31278361880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{60763}}^1$

素因数の和:61548

約数の個数: 64

約数和(自身を含む): 74615761440

約数和(自身を除く): 43337399560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 757, 1514, 3028, 3785, 6056, 7570, 12869, 15140, 25738, 30280, 51476, 60763, 64345, 102952, 121526, 128690, 243052, 257380, 303815, 486104, 514760, 607630, 1032971, 1215260, 2065942, 2430520, 4131884, 5164855, 8263768, 10329710, 20659420, 41318840, 45997591, 91995182, 183990364, 229987955, 367980728, 459975910, 781959047, 919951820, 1563918094, 1839903640, 3127836188, 3909795235, 6255672376, 7819590470, 15639180940, 31278361880]

約数ペア:

[(1, 31278361880), (2, 15639180940), (4, 7819590470), (5, 6255672376), (8, 3909795235), (10, 3127836188), (17, 1839903640), (20, 1563918094), (34, 919951820), (40, 781959047), (68, 459975910), (85, 367980728), (136, 229987955), (170, 183990364), (340, 91995182), (680, 45997591), (757, 41318840), (1514, 20659420), (3028, 10329710), (3785, 8263768), (6056, 5164855), (7570, 4131884), (12869, 2430520), (15140, 2065942), (25738, 1215260), (30280, 1032971), (51476, 607630), (60763, 514760), (64345, 486104), (102952, 303815), (121526, 257380), (128690, 243052)]