82457040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4349}}^1$

素因数の和:4444

約数の個数: 80

約数和(自身を含む): 258912000

約数和(自身を除く): 176454960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4349, 4740, 6320, 8698, 9480, 13047, 17396, 18960, 21745, 26094, 34792, 43490, 52188, 65235, 69584, 86980, 104376, 130470, 173960, 208752, 260940, 343571, 347920, 521880, 687142, 1030713, 1043760, 1374284, 1717855, 2061426, 2748568, 3435710, 4122852, 5153565, 5497136, 6871420, 8245704, 10307130, 13742840, 16491408, 20614260, 27485680, 41228520, 82457040]

約数ペア:

[(1, 82457040), (2, 41228520), (3, 27485680), (4, 20614260), (5, 16491408), (6, 13742840), (8, 10307130), (10, 8245704), (12, 6871420), (15, 5497136), (16, 5153565), (20, 4122852), (24, 3435710), (30, 2748568), (40, 2061426), (48, 1717855), (60, 1374284), (79, 1043760), (80, 1030713), (120, 687142), (158, 521880), (237, 347920), (240, 343571), (316, 260940), (395, 208752), (474, 173960), (632, 130470), (790, 104376), (948, 86980), (1185, 69584), (1264, 65235), (1580, 52188), (1896, 43490), (2370, 34792), (3160, 26094), (3792, 21745), (4349, 18960), (4740, 17396), (6320, 13047), (8698, 9480)]