80904240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 273330720

約数和(自身を除く): 192426480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 313, 359, 360, 626, 718, 720, 939, 1077, 1252, 1436, 1565, 1795, 1878, 2154, 2504, 2817, 2872, 3130, 3231, 3590, 3756, 4308, 4695, 5008, 5385, 5634, 5744, 6260, 6462, 7180, 7512, 8616, 9390, 10770, 11268, 12520, 12924, 14085, 14360, 15024, 16155, 17232, 18780, 21540, 22536, 25040, 25848, 28170, 28720, 32310, 37560, 43080, 45072, 51696, 56340, 64620, 75120, 86160, 112367, 112680, 129240, 224734, 225360, 258480, 337101, 449468, 561835, 674202, 898936, 1011303, 1123670, 1348404, 1685505, 1797872, 2022606, 2247340, 2696808, 3371010, 4045212, 4494680, 5056515, 5393616, 6742020, 8090424, 8989360, 10113030, 13484040, 16180848, 20226060, 26968080, 40452120, 80904240]

約数ペア:

[(1, 80904240), (2, 40452120), (3, 26968080), (4, 20226060), (5, 16180848), (6, 13484040), (8, 10113030), (9, 8989360), (10, 8090424), (12, 6742020), (15, 5393616), (16, 5056515), (18, 4494680), (20, 4045212), (24, 3371010), (30, 2696808), (36, 2247340), (40, 2022606), (45, 1797872), (48, 1685505), (60, 1348404), (72, 1123670), (80, 1011303), (90, 898936), (120, 674202), (144, 561835), (180, 449468), (240, 337101), (313, 258480), (359, 225360), (360, 224734), (626, 129240), (718, 112680), (720, 112367), (939, 86160), (1077, 75120), (1252, 64620), (1436, 56340), (1565, 51696), (1795, 45072), (1878, 43080), (2154, 37560), (2504, 32310), (2817, 28720), (2872, 28170), (3130, 25848), (3231, 25040), (3590, 22536), (3756, 21540), (4308, 18780), (4695, 17232), (5008, 16155), (5385, 15024), (5634, 14360), (5744, 14085), (6260, 12924), (6462, 12520), (7180, 11268), (7512, 10770), (8616, 9390)]