181280640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 400364160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 263, 320, 359, 384, 480, 526, 640, 718, 789, 960, 1052, 1077, 1315, 1436, 1578, 1795, 1920, 2104, 2154, 2630, 2872, 3156, 3590, 3945, 4208, 4308, 5260, 5385, 5744, 6312, 7180, 7890, 8416, 8616, 10520, 10770, 11488, 12624, 14360, 15780, 16832, 17232, 21040, 21540, 22976, 25248, 28720, 31560, 33664, 34464, 42080, 43080, 45952, 50496, 57440, 63120, 68928, 84160, 86160, 94417, 100992, 114880, 126240, 137856, 168320, 172320, 188834, 229760, 252480, 283251, 344640, 377668, 472085, 504960, 566502, 689280, 755336, 944170, 1133004, 1416255, 1510672, 1888340, 2266008, 2832510, 3021344, 3776680, 4532016, 5665020, 6042688, 7553360, 9064032, 11330040, 12085376, 15106720, 18128064, 22660080, 30213440, 36256128, 45320160, 60426880, 90640320, 181280640]

約数ペア:

[(1, 181280640), (2, 90640320), (3, 60426880), (4, 45320160), (5, 36256128), (6, 30213440), (8, 22660080), (10, 18128064), (12, 15106720), (15, 12085376), (16, 11330040), (20, 9064032), (24, 7553360), (30, 6042688), (32, 5665020), (40, 4532016), (48, 3776680), (60, 3021344), (64, 2832510), (80, 2266008), (96, 1888340), (120, 1510672), (128, 1416255), (160, 1133004), (192, 944170), (240, 755336), (263, 689280), (320, 566502), (359, 504960), (384, 472085), (480, 377668), (526, 344640), (640, 283251), (718, 252480), (789, 229760), (960, 188834), (1052, 172320), (1077, 168320), (1315, 137856), (1436, 126240), (1578, 114880), (1795, 100992), (1920, 94417), (2104, 86160), (2154, 84160), (2630, 68928), (2872, 63120), (3156, 57440), (3590, 50496), (3945, 45952), (4208, 43080), (4308, 42080), (5260, 34464), (5385, 33664), (5744, 31560), (6312, 28720), (7180, 25248), (7890, 22976), (8416, 21540), (8616, 21040), (10520, 17232), (10770, 16832), (11488, 15780), (12624, 14360)]