12880140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 45313632

約数和(自身を除く): 32433492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 337, 364, 390, 420, 455, 490, 546, 588, 637, 674, 735, 780, 910, 980, 1011, 1092, 1274, 1348, 1365, 1470, 1685, 1820, 1911, 2022, 2359, 2548, 2730, 2940, 3185, 3370, 3822, 4044, 4381, 4718, 5055, 5460, 6370, 6740, 7077, 7644, 8762, 9436, 9555, 10110, 11795, 12740, 13143, 14154, 16513, 17524, 19110, 20220, 21905, 23590, 26286, 28308, 30667, 33026, 35385, 38220, 43810, 47180, 49539, 52572, 61334, 65715, 66052, 70770, 82565, 87620, 92001, 99078, 122668, 131430, 141540, 153335, 165130, 184002, 198156, 214669, 247695, 262860, 306670, 330260, 368004, 429338, 460005, 495390, 613340, 644007, 858676, 920010, 990780, 1073345, 1288014, 1840020, 2146690, 2576028, 3220035, 4293380, 6440070, 12880140]

約数ペア:

[(1, 12880140), (2, 6440070), (3, 4293380), (4, 3220035), (5, 2576028), (6, 2146690), (7, 1840020), (10, 1288014), (12, 1073345), (13, 990780), (14, 920010), (15, 858676), (20, 644007), (21, 613340), (26, 495390), (28, 460005), (30, 429338), (35, 368004), (39, 330260), (42, 306670), (49, 262860), (52, 247695), (60, 214669), (65, 198156), (70, 184002), (78, 165130), (84, 153335), (91, 141540), (98, 131430), (105, 122668), (130, 99078), (140, 92001), (147, 87620), (156, 82565), (182, 70770), (195, 66052), (196, 65715), (210, 61334), (245, 52572), (260, 49539), (273, 47180), (294, 43810), (337, 38220), (364, 35385), (390, 33026), (420, 30667), (455, 28308), (490, 26286), (546, 23590), (588, 21905), (637, 20220), (674, 19110), (735, 17524), (780, 16513), (910, 14154), (980, 13143), (1011, 12740), (1092, 11795), (1274, 10110), (1348, 9555), (1365, 9436), (1470, 8762), (1685, 7644), (1820, 7077), (1911, 6740), (2022, 6370), (2359, 5460), (2548, 5055), (2730, 4718), (2940, 4381), (3185, 4044), (3370, 3822)]