80839620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 256132800

約数和(自身を除く): 175293180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 139, 162, 180, 270, 278, 324, 359, 405, 417, 540, 556, 695, 718, 810, 834, 1077, 1251, 1390, 1436, 1620, 1668, 1795, 2085, 2154, 2502, 2780, 3231, 3590, 3753, 4170, 4308, 5004, 5385, 6255, 6462, 7180, 7506, 8340, 9693, 10770, 11259, 12510, 12924, 15012, 16155, 18765, 19386, 21540, 22518, 25020, 29079, 32310, 37530, 38772, 45036, 48465, 49901, 56295, 58158, 64620, 75060, 96930, 99802, 112590, 116316, 145395, 149703, 193860, 199604, 225180, 249505, 290790, 299406, 449109, 499010, 581580, 598812, 748515, 898218, 998020, 1347327, 1497030, 1796436, 2245545, 2694654, 2994060, 4041981, 4491090, 5389308, 6736635, 8083962, 8982180, 13473270, 16167924, 20209905, 26946540, 40419810, 80839620]

約数ペア:

[(1, 80839620), (2, 40419810), (3, 26946540), (4, 20209905), (5, 16167924), (6, 13473270), (9, 8982180), (10, 8083962), (12, 6736635), (15, 5389308), (18, 4491090), (20, 4041981), (27, 2994060), (30, 2694654), (36, 2245545), (45, 1796436), (54, 1497030), (60, 1347327), (81, 998020), (90, 898218), (108, 748515), (135, 598812), (139, 581580), (162, 499010), (180, 449109), (270, 299406), (278, 290790), (324, 249505), (359, 225180), (405, 199604), (417, 193860), (540, 149703), (556, 145395), (695, 116316), (718, 112590), (810, 99802), (834, 96930), (1077, 75060), (1251, 64620), (1390, 58158), (1436, 56295), (1620, 49901), (1668, 48465), (1795, 45036), (2085, 38772), (2154, 37530), (2502, 32310), (2780, 29079), (3231, 25020), (3590, 22518), (3753, 21540), (4170, 19386), (4308, 18765), (5004, 16155), (5385, 15012), (6255, 12924), (6462, 12510), (7180, 11259), (7506, 10770), (8340, 9693)]