139980120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{166643}}^1$

素因数の和:166664

約数の個数: 64

約数和(自身を含む): 479934720

約数和(自身を除く): 339954600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 166643, 333286, 499929, 666572, 833215, 999858, 1166501, 1333144, 1666430, 1999716, 2333002, 2499645, 3332860, 3499503, 3999432, 4666004, 4999290, 5832505, 6665720, 6999006, 9332008, 9998580, 11665010, 13998012, 17497515, 19997160, 23330020, 27996024, 34995030, 46660040, 69990060, 139980120]

約数ペア:

[(1, 139980120), (2, 69990060), (3, 46660040), (4, 34995030), (5, 27996024), (6, 23330020), (7, 19997160), (8, 17497515), (10, 13998012), (12, 11665010), (14, 9998580), (15, 9332008), (20, 6999006), (21, 6665720), (24, 5832505), (28, 4999290), (30, 4666004), (35, 3999432), (40, 3499503), (42, 3332860), (56, 2499645), (60, 2333002), (70, 1999716), (84, 1666430), (105, 1333144), (120, 1166501), (140, 999858), (168, 833215), (210, 666572), (280, 499929), (420, 333286), (840, 166643)]