87788880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 160

約数和(自身を含む): 306230400

約数和(自身を除く): 218441520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 97, 108, 120, 135, 144, 180, 194, 216, 240, 270, 291, 360, 388, 419, 432, 485, 540, 582, 720, 776, 838, 873, 970, 1080, 1164, 1257, 1455, 1552, 1676, 1746, 1940, 2095, 2160, 2328, 2514, 2619, 2910, 3352, 3492, 3771, 3880, 4190, 4365, 4656, 5028, 5238, 5820, 6285, 6704, 6984, 7542, 7760, 8380, 8730, 10056, 10476, 11313, 11640, 12570, 13095, 13968, 15084, 16760, 17460, 18855, 20112, 20952, 22626, 23280, 25140, 26190, 30168, 33520, 34920, 37710, 40643, 41904, 45252, 50280, 52380, 56565, 60336, 69840, 75420, 81286, 90504, 100560, 104760, 113130, 121929, 150840, 162572, 181008, 203215, 209520, 226260, 243858, 301680, 325144, 365787, 406430, 452520, 487716, 609645, 650288, 731574, 812860, 905040, 975432, 1097361, 1219290, 1463148, 1625720, 1828935, 1950864, 2194722, 2438580, 2926296, 3251440, 3657870, 4389444, 4877160, 5486805, 5852592, 7315740, 8778888, 9754320, 10973610, 14631480, 17557776, 21947220, 29262960, 43894440, 87788880]

約数ペア:

[(1, 87788880), (2, 43894440), (3, 29262960), (4, 21947220), (5, 17557776), (6, 14631480), (8, 10973610), (9, 9754320), (10, 8778888), (12, 7315740), (15, 5852592), (16, 5486805), (18, 4877160), (20, 4389444), (24, 3657870), (27, 3251440), (30, 2926296), (36, 2438580), (40, 2194722), (45, 1950864), (48, 1828935), (54, 1625720), (60, 1463148), (72, 1219290), (80, 1097361), (90, 975432), (97, 905040), (108, 812860), (120, 731574), (135, 650288), (144, 609645), (180, 487716), (194, 452520), (216, 406430), (240, 365787), (270, 325144), (291, 301680), (360, 243858), (388, 226260), (419, 209520), (432, 203215), (485, 181008), (540, 162572), (582, 150840), (720, 121929), (776, 113130), (838, 104760), (873, 100560), (970, 90504), (1080, 81286), (1164, 75420), (1257, 69840), (1455, 60336), (1552, 56565), (1676, 52380), (1746, 50280), (1940, 45252), (2095, 41904), (2160, 40643), (2328, 37710), (2514, 34920), (2619, 33520), (2910, 30168), (3352, 26190), (3492, 25140), (3771, 23280), (3880, 22626), (4190, 20952), (4365, 20112), (4656, 18855), (5028, 17460), (5238, 16760), (5820, 15084), (6285, 13968), (6704, 13095), (6984, 12570), (7542, 11640), (7760, 11313), (8380, 10476), (8730, 10056)]