389535840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1901

約数の個数: 144

約数和(自身を含む): 1338534288

約数和(自身を除く): 948998448

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, 72, 80, 90, 96, 120, 144, 157, 160, 180, 240, 288, 314, 360, 471, 480, 628, 720, 785, 942, 1256, 1413, 1440, 1570, 1723, 1884, 2355, 2512, 2826, 3140, 3446, 3768, 4710, 5024, 5169, 5652, 6280, 6892, 7065, 7536, 8615, 9420, 10338, 11304, 12560, 13784, 14130, 15072, 15507, 17230, 18840, 20676, 22608, 25120, 25845, 27568, 28260, 31014, 34460, 37680, 41352, 45216, 51690, 55136, 56520, 62028, 68920, 75360, 77535, 82704, 103380, 113040, 124056, 137840, 155070, 165408, 206760, 226080, 248112, 270511, 275680, 310140, 413520, 496224, 541022, 620280, 811533, 827040, 1082044, 1240560, 1352555, 1623066, 2164088, 2434599, 2481120, 2705110, 3246132, 4057665, 4328176, 4869198, 5410220, 6492264, 8115330, 8656352, 9738396, 10820440, 12172995, 12984528, 16230660, 19476792, 21640880, 24345990, 25969056, 32461320, 38953584, 43281760, 48691980, 64922640, 77907168, 97383960, 129845280, 194767920, 389535840]

約数ペア:

[(1, 389535840), (2, 194767920), (3, 129845280), (4, 97383960), (5, 77907168), (6, 64922640), (8, 48691980), (9, 43281760), (10, 38953584), (12, 32461320), (15, 25969056), (16, 24345990), (18, 21640880), (20, 19476792), (24, 16230660), (30, 12984528), (32, 12172995), (36, 10820440), (40, 9738396), (45, 8656352), (48, 8115330), (60, 6492264), (72, 5410220), (80, 4869198), (90, 4328176), (96, 4057665), (120, 3246132), (144, 2705110), (157, 2481120), (160, 2434599), (180, 2164088), (240, 1623066), (288, 1352555), (314, 1240560), (360, 1082044), (471, 827040), (480, 811533), (628, 620280), (720, 541022), (785, 496224), (942, 413520), (1256, 310140), (1413, 275680), (1440, 270511), (1570, 248112), (1723, 226080), (1884, 206760), (2355, 165408), (2512, 155070), (2826, 137840), (3140, 124056), (3446, 113040), (3768, 103380), (4710, 82704), (5024, 77535), (5169, 75360), (5652, 68920), (6280, 62028), (6892, 56520), (7065, 55136), (7536, 51690), (8615, 45216), (9420, 41352), (10338, 37680), (11304, 34460), (12560, 31014), (13784, 28260), (14130, 27568), (15072, 25845), (15507, 25120), (17230, 22608), (18840, 20676)]