257892120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{238789}}^1$

素因数の和:238809

約数の個数: 64

約数和(自身を含む): 859644000

約数和(自身を除く): 601751880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 238789, 477578, 716367, 955156, 1193945, 1432734, 1910312, 2149101, 2387890, 2865468, 3581835, 4298202, 4775780, 5730936, 6447303, 7163670, 8596404, 9551560, 10745505, 12894606, 14327340, 17192808, 21491010, 25789212, 28654680, 32236515, 42982020, 51578424, 64473030, 85964040, 128946060, 257892120]

約数ペア:

[(1, 257892120), (2, 128946060), (3, 85964040), (4, 64473030), (5, 51578424), (6, 42982020), (8, 32236515), (9, 28654680), (10, 25789212), (12, 21491010), (15, 17192808), (18, 14327340), (20, 12894606), (24, 10745505), (27, 9551560), (30, 8596404), (36, 7163670), (40, 6447303), (45, 5730936), (54, 4775780), (60, 4298202), (72, 3581835), (90, 2865468), (108, 2387890), (120, 2149101), (135, 1910312), (180, 1432734), (216, 1193945), (270, 955156), (360, 716367), (540, 477578), (1080, 238789)]