55980120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66643}}^1$

素因数の和:66664

約数の個数: 64

約数和(自身を含む): 191934720

約数和(自身を除く): 135954600

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, 66643, 133286, 199929, 266572, 333215, 399858, 466501, 533144, 666430, 799716, 933002, 999645, 1332860, 1399503, 1599432, 1866004, 1999290, 2332505, 2665720, 2799006, 3732008, 3998580, 4665010, 5598012, 6997515, 7997160, 9330020, 11196024, 13995030, 18660040, 27990060, 55980120]

約数ペア:

[(1, 55980120), (2, 27990060), (3, 18660040), (4, 13995030), (5, 11196024), (6, 9330020), (7, 7997160), (8, 6997515), (10, 5598012), (12, 4665010), (14, 3998580), (15, 3732008), (20, 2799006), (21, 2665720), (24, 2332505), (28, 1999290), (30, 1866004), (35, 1599432), (40, 1399503), (42, 1332860), (56, 999645), (60, 933002), (70, 799716), (84, 666430), (105, 533144), (120, 466501), (140, 399858), (168, 333215), (210, 266572), (280, 199929), (420, 133286), (840, 66643)]