8120840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 23708160

約数和(自身を除く): 15587320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 97, 104, 115, 130, 140, 161, 182, 184, 194, 230, 260, 280, 299, 322, 364, 388, 455, 460, 485, 520, 598, 644, 679, 728, 776, 805, 910, 920, 970, 1196, 1261, 1288, 1358, 1495, 1610, 1820, 1940, 2093, 2231, 2392, 2522, 2716, 2990, 3220, 3395, 3640, 3880, 4186, 4462, 5044, 5432, 5980, 6305, 6440, 6790, 8372, 8827, 8924, 10088, 10465, 11155, 11960, 12610, 13580, 15617, 16744, 17654, 17848, 20930, 22310, 25220, 27160, 29003, 31234, 35308, 41860, 44135, 44620, 50440, 58006, 62468, 70616, 78085, 83720, 88270, 89240, 116012, 124936, 145015, 156170, 176540, 203021, 232024, 290030, 312340, 353080, 406042, 580060, 624680, 812084, 1015105, 1160120, 1624168, 2030210, 4060420, 8120840]

約数ペア:

[(1, 8120840), (2, 4060420), (4, 2030210), (5, 1624168), (7, 1160120), (8, 1015105), (10, 812084), (13, 624680), (14, 580060), (20, 406042), (23, 353080), (26, 312340), (28, 290030), (35, 232024), (40, 203021), (46, 176540), (52, 156170), (56, 145015), (65, 124936), (70, 116012), (91, 89240), (92, 88270), (97, 83720), (104, 78085), (115, 70616), (130, 62468), (140, 58006), (161, 50440), (182, 44620), (184, 44135), (194, 41860), (230, 35308), (260, 31234), (280, 29003), (299, 27160), (322, 25220), (364, 22310), (388, 20930), (455, 17848), (460, 17654), (485, 16744), (520, 15617), (598, 13580), (644, 12610), (679, 11960), (728, 11155), (776, 10465), (805, 10088), (910, 8924), (920, 8827), (970, 8372), (1196, 6790), (1261, 6440), (1288, 6305), (1358, 5980), (1495, 5432), (1610, 5044), (1820, 4462), (1940, 4186), (2093, 3880), (2231, 3640), (2392, 3395), (2522, 3220), (2716, 2990)]