311232320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:917

約数の個数: 168

約数和(自身を含む): 900647424

約数和(自身を除く): 589415104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 368, 392, 448, 460, 490, 560, 644, 736, 784, 805, 863, 920, 980, 1120, 1127, 1288, 1472, 1568, 1610, 1726, 1840, 1960, 2240, 2254, 2576, 3136, 3220, 3452, 3680, 3920, 4315, 4508, 5152, 5635, 6041, 6440, 6904, 7360, 7840, 8630, 9016, 10304, 11270, 12082, 12880, 13808, 15680, 17260, 18032, 19849, 22540, 24164, 25760, 27616, 30205, 34520, 36064, 39698, 42287, 45080, 48328, 51520, 55232, 60410, 69040, 72128, 79396, 84574, 90160, 96656, 99245, 120820, 138080, 138943, 158792, 169148, 180320, 193312, 198490, 211435, 241640, 276160, 277886, 317584, 338296, 360640, 386624, 396980, 422870, 483280, 555772, 635168, 676592, 694715, 793960, 845740, 966560, 972601, 1111544, 1270336, 1353184, 1389430, 1587920, 1691480, 1933120, 1945202, 2223088, 2706368, 2778860, 3175840, 3382960, 3890404, 4446176, 4863005, 5557720, 6351680, 6765920, 7780808, 8892352, 9726010, 11115440, 13531840, 15561616, 19452020, 22230880, 31123232, 38904040, 44461760, 62246464, 77808080, 155616160, 311232320]

約数ペア:

[(1, 311232320), (2, 155616160), (4, 77808080), (5, 62246464), (7, 44461760), (8, 38904040), (10, 31123232), (14, 22230880), (16, 19452020), (20, 15561616), (23, 13531840), (28, 11115440), (32, 9726010), (35, 8892352), (40, 7780808), (46, 6765920), (49, 6351680), (56, 5557720), (64, 4863005), (70, 4446176), (80, 3890404), (92, 3382960), (98, 3175840), (112, 2778860), (115, 2706368), (140, 2223088), (160, 1945202), (161, 1933120), (184, 1691480), (196, 1587920), (224, 1389430), (230, 1353184), (245, 1270336), (280, 1111544), (320, 972601), (322, 966560), (368, 845740), (392, 793960), (448, 694715), (460, 676592), (490, 635168), (560, 555772), (644, 483280), (736, 422870), (784, 396980), (805, 386624), (863, 360640), (920, 338296), (980, 317584), (1120, 277886), (1127, 276160), (1288, 241640), (1472, 211435), (1568, 198490), (1610, 193312), (1726, 180320), (1840, 169148), (1960, 158792), (2240, 138943), (2254, 138080), (2576, 120820), (3136, 99245), (3220, 96656), (3452, 90160), (3680, 84574), (3920, 79396), (4315, 72128), (4508, 69040), (5152, 60410), (5635, 55232), (6041, 51520), (6440, 48328), (6904, 45080), (7360, 42287), (7840, 39698), (8630, 36064), (9016, 34520), (10304, 30205), (11270, 27616), (12082, 25760), (12880, 24164), (13808, 22540), (15680, 19849), (17260, 18032)]