55882680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 194503680

約数和(自身を除く): 138621000

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 937, 994, 1065, 1420, 1491, 1704, 1874, 1988, 2130, 2485, 2811, 2840, 2982, 3748, 3976, 4260, 4685, 4970, 5622, 5964, 6559, 7455, 7496, 8520, 9370, 9940, 11244, 11928, 13118, 14055, 14910, 18740, 19677, 19880, 22488, 26236, 28110, 29820, 32795, 37480, 39354, 52472, 56220, 59640, 65590, 66527, 78708, 98385, 112440, 131180, 133054, 157416, 196770, 199581, 262360, 266108, 332635, 393540, 399162, 465689, 532216, 665270, 787080, 798324, 931378, 997905, 1330540, 1397067, 1596648, 1862756, 1995810, 2328445, 2661080, 2794134, 3725512, 3991620, 4656890, 5588268, 6985335, 7983240, 9313780, 11176536, 13970670, 18627560, 27941340, 55882680]

約数ペア:

[(1, 55882680), (2, 27941340), (3, 18627560), (4, 13970670), (5, 11176536), (6, 9313780), (7, 7983240), (8, 6985335), (10, 5588268), (12, 4656890), (14, 3991620), (15, 3725512), (20, 2794134), (21, 2661080), (24, 2328445), (28, 1995810), (30, 1862756), (35, 1596648), (40, 1397067), (42, 1330540), (56, 997905), (60, 931378), (70, 798324), (71, 787080), (84, 665270), (105, 532216), (120, 465689), (140, 399162), (142, 393540), (168, 332635), (210, 266108), (213, 262360), (280, 199581), (284, 196770), (355, 157416), (420, 133054), (426, 131180), (497, 112440), (568, 98385), (710, 78708), (840, 66527), (852, 65590), (937, 59640), (994, 56220), (1065, 52472), (1420, 39354), (1491, 37480), (1704, 32795), (1874, 29820), (1988, 28110), (2130, 26236), (2485, 22488), (2811, 19880), (2840, 19677), (2982, 18740), (3748, 14910), (3976, 14055), (4260, 13118), (4685, 11928), (4970, 11244), (5622, 9940), (5964, 9370), (6559, 8520), (7455, 7496)]