161679240

素因数分解:

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

素因数の和:521

約数の個数: 160

約数和(自身を含む): 548856000

約数和(自身を除く): 387176760

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, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 359, 360, 405, 417, 540, 556, 648, 695, 718, 810, 834, 1077, 1080, 1112, 1251, 1390, 1436, 1620, 1668, 1795, 2085, 2154, 2502, 2780, 2872, 3231, 3240, 3336, 3590, 3753, 4170, 4308, 5004, 5385, 5560, 6255, 6462, 7180, 7506, 8340, 8616, 9693, 10008, 10770, 11259, 12510, 12924, 14360, 15012, 16155, 16680, 18765, 19386, 21540, 22518, 25020, 25848, 29079, 30024, 32310, 37530, 38772, 43080, 45036, 48465, 49901, 50040, 56295, 58158, 64620, 75060, 77544, 90072, 96930, 99802, 112590, 116316, 129240, 145395, 149703, 150120, 193860, 199604, 225180, 232632, 249505, 290790, 299406, 387720, 399208, 449109, 450360, 499010, 581580, 598812, 748515, 898218, 998020, 1163160, 1197624, 1347327, 1497030, 1796436, 1996040, 2245545, 2694654, 2994060, 3592872, 4041981, 4491090, 5389308, 5988120, 6736635, 8083962, 8982180, 10778616, 13473270, 16167924, 17964360, 20209905, 26946540, 32335848, 40419810, 53893080, 80839620, 161679240]

約数ペア:

[(1, 161679240), (2, 80839620), (3, 53893080), (4, 40419810), (5, 32335848), (6, 26946540), (8, 20209905), (9, 17964360), (10, 16167924), (12, 13473270), (15, 10778616), (18, 8982180), (20, 8083962), (24, 6736635), (27, 5988120), (30, 5389308), (36, 4491090), (40, 4041981), (45, 3592872), (54, 2994060), (60, 2694654), (72, 2245545), (81, 1996040), (90, 1796436), (108, 1497030), (120, 1347327), (135, 1197624), (139, 1163160), (162, 998020), (180, 898218), (216, 748515), (270, 598812), (278, 581580), (324, 499010), (359, 450360), (360, 449109), (405, 399208), (417, 387720), (540, 299406), (556, 290790), (648, 249505), (695, 232632), (718, 225180), (810, 199604), (834, 193860), (1077, 150120), (1080, 149703), (1112, 145395), (1251, 129240), (1390, 116316), (1436, 112590), (1620, 99802), (1668, 96930), (1795, 90072), (2085, 77544), (2154, 75060), (2502, 64620), (2780, 58158), (2872, 56295), (3231, 50040), (3240, 49901), (3336, 48465), (3590, 45036), (3753, 43080), (4170, 38772), (4308, 37530), (5004, 32310), (5385, 30024), (5560, 29079), (6255, 25848), (6462, 25020), (7180, 22518), (7506, 21540), (8340, 19386), (8616, 18765), (9693, 16680), (10008, 16155), (10770, 15012), (11259, 14360), (12510, 12924)]