31125360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 111992832

約数和(自身を除く): 80867472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 191, 194, 210, 240, 280, 291, 336, 382, 388, 420, 485, 560, 573, 582, 679, 764, 776, 840, 955, 970, 1146, 1164, 1337, 1358, 1455, 1528, 1552, 1680, 1910, 1940, 2037, 2292, 2328, 2674, 2716, 2865, 2910, 3056, 3395, 3820, 3880, 4011, 4074, 4584, 4656, 5348, 5432, 5730, 5820, 6685, 6790, 7640, 7760, 8022, 8148, 9168, 10185, 10696, 10864, 11460, 11640, 13370, 13580, 15280, 16044, 16296, 18527, 20055, 20370, 21392, 22920, 23280, 26740, 27160, 32088, 32592, 37054, 40110, 40740, 45840, 53480, 54320, 55581, 64176, 74108, 80220, 81480, 92635, 106960, 111162, 129689, 148216, 160440, 162960, 185270, 222324, 259378, 277905, 296432, 320880, 370540, 389067, 444648, 518756, 555810, 648445, 741080, 778134, 889296, 1037512, 1111620, 1296890, 1482160, 1556268, 1945335, 2075024, 2223240, 2593780, 3112536, 3890670, 4446480, 5187560, 6225072, 7781340, 10375120, 15562680, 31125360]

約数ペア:

[(1, 31125360), (2, 15562680), (3, 10375120), (4, 7781340), (5, 6225072), (6, 5187560), (7, 4446480), (8, 3890670), (10, 3112536), (12, 2593780), (14, 2223240), (15, 2075024), (16, 1945335), (20, 1556268), (21, 1482160), (24, 1296890), (28, 1111620), (30, 1037512), (35, 889296), (40, 778134), (42, 741080), (48, 648445), (56, 555810), (60, 518756), (70, 444648), (80, 389067), (84, 370540), (97, 320880), (105, 296432), (112, 277905), (120, 259378), (140, 222324), (168, 185270), (191, 162960), (194, 160440), (210, 148216), (240, 129689), (280, 111162), (291, 106960), (336, 92635), (382, 81480), (388, 80220), (420, 74108), (485, 64176), (560, 55581), (573, 54320), (582, 53480), (679, 45840), (764, 40740), (776, 40110), (840, 37054), (955, 32592), (970, 32088), (1146, 27160), (1164, 26740), (1337, 23280), (1358, 22920), (1455, 21392), (1528, 20370), (1552, 20055), (1680, 18527), (1910, 16296), (1940, 16044), (2037, 15280), (2292, 13580), (2328, 13370), (2674, 11640), (2716, 11460), (2865, 10864), (2910, 10696), (3056, 10185), (3395, 9168), (3820, 8148), (3880, 8022), (4011, 7760), (4074, 7640), (4584, 6790), (4656, 6685), (5348, 5820), (5432, 5730)]