87115760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 219108000

約数和(自身を除く): 131992240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 1549, 2812, 2960, 3098, 3515, 5624, 6196, 7030, 7745, 11248, 12392, 14060, 15490, 24784, 28120, 29431, 30980, 56240, 57313, 58862, 61960, 114626, 117724, 123920, 147155, 229252, 235448, 286565, 294310, 458504, 470896, 573130, 588620, 917008, 1088947, 1146260, 1177240, 2177894, 2292520, 2354480, 4355788, 4585040, 5444735, 8711576, 10889470, 17423152, 21778940, 43557880, 87115760]

約数ペア:

[(1, 87115760), (2, 43557880), (4, 21778940), (5, 17423152), (8, 10889470), (10, 8711576), (16, 5444735), (19, 4585040), (20, 4355788), (37, 2354480), (38, 2292520), (40, 2177894), (74, 1177240), (76, 1146260), (80, 1088947), (95, 917008), (148, 588620), (152, 573130), (185, 470896), (190, 458504), (296, 294310), (304, 286565), (370, 235448), (380, 229252), (592, 147155), (703, 123920), (740, 117724), (760, 114626), (1406, 61960), (1480, 58862), (1520, 57313), (1549, 56240), (2812, 30980), (2960, 29431), (3098, 28120), (3515, 24784), (5624, 15490), (6196, 14060), (7030, 12392), (7745, 11248)]