72168800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 196862400

約数和(自身を除く): 124693600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 59, 80, 88, 100, 110, 118, 139, 160, 176, 200, 220, 236, 275, 278, 295, 352, 400, 440, 472, 550, 556, 590, 649, 695, 800, 880, 944, 1100, 1112, 1180, 1298, 1390, 1475, 1529, 1760, 1888, 2200, 2224, 2360, 2596, 2780, 2950, 3058, 3245, 3475, 4400, 4448, 4720, 5192, 5560, 5900, 6116, 6490, 6950, 7645, 8201, 8800, 9440, 10384, 11120, 11800, 12232, 12980, 13900, 15290, 16225, 16402, 20768, 22240, 23600, 24464, 25960, 27800, 30580, 32450, 32804, 38225, 41005, 47200, 48928, 51920, 55600, 61160, 64900, 65608, 76450, 82010, 90211, 103840, 111200, 122320, 129800, 131216, 152900, 164020, 180422, 205025, 244640, 259600, 262432, 305800, 328040, 360844, 410050, 451055, 519200, 611600, 656080, 721688, 820100, 902110, 1223200, 1312160, 1443376, 1640200, 1804220, 2255275, 2886752, 3280400, 3608440, 4510550, 6560800, 7216880, 9021100, 14433760, 18042200, 36084400, 72168800]

約数ペア:

[(1, 72168800), (2, 36084400), (4, 18042200), (5, 14433760), (8, 9021100), (10, 7216880), (11, 6560800), (16, 4510550), (20, 3608440), (22, 3280400), (25, 2886752), (32, 2255275), (40, 1804220), (44, 1640200), (50, 1443376), (55, 1312160), (59, 1223200), (80, 902110), (88, 820100), (100, 721688), (110, 656080), (118, 611600), (139, 519200), (160, 451055), (176, 410050), (200, 360844), (220, 328040), (236, 305800), (275, 262432), (278, 259600), (295, 244640), (352, 205025), (400, 180422), (440, 164020), (472, 152900), (550, 131216), (556, 129800), (590, 122320), (649, 111200), (695, 103840), (800, 90211), (880, 82010), (944, 76450), (1100, 65608), (1112, 64900), (1180, 61160), (1298, 55600), (1390, 51920), (1475, 48928), (1529, 47200), (1760, 41005), (1888, 38225), (2200, 32804), (2224, 32450), (2360, 30580), (2596, 27800), (2780, 25960), (2950, 24464), (3058, 23600), (3245, 22240), (3475, 20768), (4400, 16402), (4448, 16225), (4720, 15290), (5192, 13900), (5560, 12980), (5900, 12232), (6116, 11800), (6490, 11120), (6950, 10384), (7645, 9440), (8201, 8800)]