25503240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 88623360

約数和(自身を除く): 63120120

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, 97, 105, 120, 140, 168, 194, 210, 280, 291, 313, 388, 420, 485, 582, 626, 679, 776, 840, 939, 970, 1164, 1252, 1358, 1455, 1565, 1878, 1940, 2037, 2191, 2328, 2504, 2716, 2910, 3130, 3395, 3756, 3880, 4074, 4382, 4695, 5432, 5820, 6260, 6573, 6790, 7512, 8148, 8764, 9390, 10185, 10955, 11640, 12520, 13146, 13580, 16296, 17528, 18780, 20370, 21910, 26292, 27160, 30361, 32865, 37560, 40740, 43820, 52584, 60722, 65730, 81480, 87640, 91083, 121444, 131460, 151805, 182166, 212527, 242888, 262920, 303610, 364332, 425054, 455415, 607220, 637581, 728664, 850108, 910830, 1062635, 1214440, 1275162, 1700216, 1821660, 2125270, 2550324, 3187905, 3643320, 4250540, 5100648, 6375810, 8501080, 12751620, 25503240]

約数ペア:

[(1, 25503240), (2, 12751620), (3, 8501080), (4, 6375810), (5, 5100648), (6, 4250540), (7, 3643320), (8, 3187905), (10, 2550324), (12, 2125270), (14, 1821660), (15, 1700216), (20, 1275162), (21, 1214440), (24, 1062635), (28, 910830), (30, 850108), (35, 728664), (40, 637581), (42, 607220), (56, 455415), (60, 425054), (70, 364332), (84, 303610), (97, 262920), (105, 242888), (120, 212527), (140, 182166), (168, 151805), (194, 131460), (210, 121444), (280, 91083), (291, 87640), (313, 81480), (388, 65730), (420, 60722), (485, 52584), (582, 43820), (626, 40740), (679, 37560), (776, 32865), (840, 30361), (939, 27160), (970, 26292), (1164, 21910), (1252, 20370), (1358, 18780), (1455, 17528), (1565, 16296), (1878, 13580), (1940, 13146), (2037, 12520), (2191, 11640), (2328, 10955), (2504, 10185), (2716, 9390), (2910, 8764), (3130, 8148), (3395, 7512), (3756, 6790), (3880, 6573), (4074, 6260), (4382, 5820), (4695, 5432)]