77281920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13417}}^1$

素因数の和:13442

約数の個数: 96

約数和(自身を含む): 266884020

約数和(自身を除く): 189602100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 13417, 26834, 40251, 53668, 67085, 80502, 107336, 120753, 134170, 161004, 201255, 214672, 241506, 268340, 322008, 402510, 429344, 483012, 536680, 603765, 644016, 805020, 858688, 966024, 1073360, 1207530, 1288032, 1610040, 1717376, 1932048, 2146720, 2415060, 2576064, 3220080, 3864096, 4293440, 4830120, 5152128, 6440160, 7728192, 8586880, 9660240, 12880320, 15456384, 19320480, 25760640, 38640960, 77281920]

約数ペア:

[(1, 77281920), (2, 38640960), (3, 25760640), (4, 19320480), (5, 15456384), (6, 12880320), (8, 9660240), (9, 8586880), (10, 7728192), (12, 6440160), (15, 5152128), (16, 4830120), (18, 4293440), (20, 3864096), (24, 3220080), (30, 2576064), (32, 2415060), (36, 2146720), (40, 1932048), (45, 1717376), (48, 1610040), (60, 1288032), (64, 1207530), (72, 1073360), (80, 966024), (90, 858688), (96, 805020), (120, 644016), (128, 603765), (144, 536680), (160, 483012), (180, 429344), (192, 402510), (240, 322008), (288, 268340), (320, 241506), (360, 214672), (384, 201255), (480, 161004), (576, 134170), (640, 120753), (720, 107336), (960, 80502), (1152, 67085), (1440, 53668), (1920, 40251), (2880, 26834), (5760, 13417)]