87558880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 216760320

約数和(自身を除く): 129201440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 139, 155, 160, 248, 254, 278, 310, 496, 508, 556, 620, 635, 695, 992, 1016, 1112, 1240, 1270, 1390, 2032, 2224, 2480, 2540, 2780, 3937, 4064, 4309, 4448, 4960, 5080, 5560, 7874, 8618, 10160, 11120, 15748, 17236, 17653, 19685, 20320, 21545, 22240, 31496, 34472, 35306, 39370, 43090, 62992, 68944, 70612, 78740, 86180, 88265, 125984, 137888, 141224, 157480, 172360, 176530, 282448, 314960, 344720, 353060, 547243, 564896, 629920, 689440, 706120, 1094486, 1412240, 2188972, 2736215, 2824480, 4377944, 5472430, 8755888, 10944860, 17511776, 21889720, 43779440, 87558880]

約数ペア:

[(1, 87558880), (2, 43779440), (4, 21889720), (5, 17511776), (8, 10944860), (10, 8755888), (16, 5472430), (20, 4377944), (31, 2824480), (32, 2736215), (40, 2188972), (62, 1412240), (80, 1094486), (124, 706120), (127, 689440), (139, 629920), (155, 564896), (160, 547243), (248, 353060), (254, 344720), (278, 314960), (310, 282448), (496, 176530), (508, 172360), (556, 157480), (620, 141224), (635, 137888), (695, 125984), (992, 88265), (1016, 86180), (1112, 78740), (1240, 70612), (1270, 68944), (1390, 62992), (2032, 43090), (2224, 39370), (2480, 35306), (2540, 34472), (2780, 31496), (3937, 22240), (4064, 21545), (4309, 20320), (4448, 19685), (4960, 17653), (5080, 17236), (5560, 15748), (7874, 11120), (8618, 10160)]