87976840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 160855160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 719, 760, 805, 874, 920, 1064, 1288, 1330, 1438, 1610, 1748, 2185, 2660, 2876, 3059, 3220, 3496, 3595, 4370, 5033, 5320, 5752, 6118, 6440, 7190, 8740, 10066, 12236, 13661, 14380, 15295, 16537, 17480, 20132, 24472, 25165, 27322, 28760, 30590, 33074, 40264, 50330, 54644, 61180, 66148, 68305, 82685, 95627, 100660, 109288, 115759, 122360, 132296, 136610, 165370, 191254, 201320, 231518, 273220, 314203, 330740, 382508, 463036, 478135, 546440, 578795, 628406, 661480, 765016, 926072, 956270, 1157590, 1256812, 1571015, 1912540, 2199421, 2315180, 2513624, 3142030, 3825080, 4398842, 4630360, 6284060, 8797684, 10997105, 12568120, 17595368, 21994210, 43988420, 87976840]

約数ペア:

[(1, 87976840), (2, 43988420), (4, 21994210), (5, 17595368), (7, 12568120), (8, 10997105), (10, 8797684), (14, 6284060), (19, 4630360), (20, 4398842), (23, 3825080), (28, 3142030), (35, 2513624), (38, 2315180), (40, 2199421), (46, 1912540), (56, 1571015), (70, 1256812), (76, 1157590), (92, 956270), (95, 926072), (115, 765016), (133, 661480), (140, 628406), (152, 578795), (161, 546440), (184, 478135), (190, 463036), (230, 382508), (266, 330740), (280, 314203), (322, 273220), (380, 231518), (437, 201320), (460, 191254), (532, 165370), (644, 136610), (665, 132296), (719, 122360), (760, 115759), (805, 109288), (874, 100660), (920, 95627), (1064, 82685), (1288, 68305), (1330, 66148), (1438, 61180), (1610, 54644), (1748, 50330), (2185, 40264), (2660, 33074), (2876, 30590), (3059, 28760), (3220, 27322), (3496, 25165), (3595, 24472), (4370, 20132), (5033, 17480), (5320, 16537), (5752, 15295), (6118, 14380), (6440, 13661), (7190, 12236), (8740, 10066)]