155616160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:915

約数の個数: 144

約数和(自身を含む): 446777856

約数和(自身を除く): 291161696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 863, 920, 980, 1120, 1127, 1288, 1568, 1610, 1726, 1840, 1960, 2254, 2576, 3220, 3452, 3680, 3920, 4315, 4508, 5152, 5635, 6041, 6440, 6904, 7840, 8630, 9016, 11270, 12082, 12880, 13808, 17260, 18032, 19849, 22540, 24164, 25760, 27616, 30205, 34520, 36064, 39698, 42287, 45080, 48328, 60410, 69040, 79396, 84574, 90160, 96656, 99245, 120820, 138080, 138943, 158792, 169148, 180320, 193312, 198490, 211435, 241640, 277886, 317584, 338296, 396980, 422870, 483280, 555772, 635168, 676592, 694715, 793960, 845740, 966560, 972601, 1111544, 1353184, 1389430, 1587920, 1691480, 1945202, 2223088, 2778860, 3175840, 3382960, 3890404, 4446176, 4863005, 5557720, 6765920, 7780808, 9726010, 11115440, 15561616, 19452020, 22230880, 31123232, 38904040, 77808080, 155616160]

約数ペア:

[(1, 155616160), (2, 77808080), (4, 38904040), (5, 31123232), (7, 22230880), (8, 19452020), (10, 15561616), (14, 11115440), (16, 9726010), (20, 7780808), (23, 6765920), (28, 5557720), (32, 4863005), (35, 4446176), (40, 3890404), (46, 3382960), (49, 3175840), (56, 2778860), (70, 2223088), (80, 1945202), (92, 1691480), (98, 1587920), (112, 1389430), (115, 1353184), (140, 1111544), (160, 972601), (161, 966560), (184, 845740), (196, 793960), (224, 694715), (230, 676592), (245, 635168), (280, 555772), (322, 483280), (368, 422870), (392, 396980), (460, 338296), (490, 317584), (560, 277886), (644, 241640), (736, 211435), (784, 198490), (805, 193312), (863, 180320), (920, 169148), (980, 158792), (1120, 138943), (1127, 138080), (1288, 120820), (1568, 99245), (1610, 96656), (1726, 90160), (1840, 84574), (1960, 79396), (2254, 69040), (2576, 60410), (3220, 48328), (3452, 45080), (3680, 42287), (3920, 39698), (4315, 36064), (4508, 34520), (5152, 30205), (5635, 27616), (6041, 25760), (6440, 24164), (6904, 22540), (7840, 19849), (8630, 18032), (9016, 17260), (11270, 13808), (12082, 12880)]