28980720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13417}}^1$

素因数の和:13439

約数の個数: 80

約数和(自身を含む): 99829920

約数和(自身を除く): 70849200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 13417, 26834, 40251, 53668, 67085, 80502, 107336, 120753, 134170, 161004, 201255, 214672, 241506, 268340, 322008, 362259, 402510, 483012, 536680, 603765, 644016, 724518, 805020, 966024, 1073360, 1207530, 1449036, 1610040, 1811295, 1932048, 2415060, 2898072, 3220080, 3622590, 4830120, 5796144, 7245180, 9660240, 14490360, 28980720]

約数ペア:

[(1, 28980720), (2, 14490360), (3, 9660240), (4, 7245180), (5, 5796144), (6, 4830120), (8, 3622590), (9, 3220080), (10, 2898072), (12, 2415060), (15, 1932048), (16, 1811295), (18, 1610040), (20, 1449036), (24, 1207530), (27, 1073360), (30, 966024), (36, 805020), (40, 724518), (45, 644016), (48, 603765), (54, 536680), (60, 483012), (72, 402510), (80, 362259), (90, 322008), (108, 268340), (120, 241506), (135, 214672), (144, 201255), (180, 161004), (216, 134170), (240, 120753), (270, 107336), (360, 80502), (432, 67085), (540, 53668), (720, 40251), (1080, 26834), (2160, 13417)]