257571240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16901}}^1$

素因数の和:17042

約数の個数: 64

約数和(自身を含む): 778844160

約数和(自身を除く): 521272920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 7620, 15240, 16901, 33802, 50703, 67604, 84505, 101406, 135208, 169010, 202812, 253515, 338020, 405624, 507030, 676040, 1014060, 2028120, 2146427, 4292854, 6439281, 8585708, 10732135, 12878562, 17171416, 21464270, 25757124, 32196405, 42928540, 51514248, 64392810, 85857080, 128785620, 257571240]

約数ペア:

[(1, 257571240), (2, 128785620), (3, 85857080), (4, 64392810), (5, 51514248), (6, 42928540), (8, 32196405), (10, 25757124), (12, 21464270), (15, 17171416), (20, 12878562), (24, 10732135), (30, 8585708), (40, 6439281), (60, 4292854), (120, 2146427), (127, 2028120), (254, 1014060), (381, 676040), (508, 507030), (635, 405624), (762, 338020), (1016, 253515), (1270, 202812), (1524, 169010), (1905, 135208), (2540, 101406), (3048, 84505), (3810, 67604), (5080, 50703), (7620, 33802), (15240, 16901)]