38991240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 131904000

約数和(自身を除く): 92912760

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, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 457, 474, 540, 632, 711, 790, 914, 948, 1080, 1185, 1371, 1422, 1580, 1828, 1896, 2133, 2285, 2370, 2742, 2844, 3160, 3555, 3656, 4113, 4266, 4570, 4740, 5484, 5688, 6855, 7110, 8226, 8532, 9140, 9480, 10665, 10968, 12339, 13710, 14220, 16452, 17064, 18280, 20565, 21330, 24678, 27420, 28440, 32904, 36103, 41130, 42660, 49356, 54840, 61695, 72206, 82260, 85320, 98712, 108309, 123390, 144412, 164520, 180515, 216618, 246780, 288824, 324927, 361030, 433236, 493560, 541545, 649854, 722060, 866472, 974781, 1083090, 1299708, 1444120, 1624635, 1949562, 2166180, 2599416, 3249270, 3899124, 4332360, 4873905, 6498540, 7798248, 9747810, 12997080, 19495620, 38991240]

約数ペア:

[(1, 38991240), (2, 19495620), (3, 12997080), (4, 9747810), (5, 7798248), (6, 6498540), (8, 4873905), (9, 4332360), (10, 3899124), (12, 3249270), (15, 2599416), (18, 2166180), (20, 1949562), (24, 1624635), (27, 1444120), (30, 1299708), (36, 1083090), (40, 974781), (45, 866472), (54, 722060), (60, 649854), (72, 541545), (79, 493560), (90, 433236), (108, 361030), (120, 324927), (135, 288824), (158, 246780), (180, 216618), (216, 180515), (237, 164520), (270, 144412), (316, 123390), (360, 108309), (395, 98712), (457, 85320), (474, 82260), (540, 72206), (632, 61695), (711, 54840), (790, 49356), (914, 42660), (948, 41130), (1080, 36103), (1185, 32904), (1371, 28440), (1422, 27420), (1580, 24678), (1828, 21330), (1896, 20565), (2133, 18280), (2285, 17064), (2370, 16452), (2742, 14220), (2844, 13710), (3160, 12339), (3555, 10968), (3656, 10665), (4113, 9480), (4266, 9140), (4570, 8532), (4740, 8226), (5484, 7110), (5688, 6855)]