1281577360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{17207}}^1$

素因数の和:17253

約数の個数: 120

約数和(自身を含む): 3648784320

約数和(自身を除く): 2367206960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5320, 7448, 9310, 10640, 14896, 17207, 18620, 34414, 37240, 68828, 74480, 86035, 120449, 137656, 172070, 240898, 275312, 326933, 344140, 481796, 602245, 653866, 688280, 843143, 963592, 1204490, 1307732, 1376560, 1634665, 1686286, 1927184, 2288531, 2408980, 2615464, 3269330, 3372572, 4215715, 4577062, 4817960, 5230928, 6538660, 6745144, 8431430, 9154124, 9635920, 11442655, 13077320, 13490288, 16019717, 16862860, 18308248, 22885310, 26154640, 32039434, 33725720, 36616496, 45770620, 64078868, 67451440, 80098585, 91541240, 128157736, 160197170, 183082480, 256315472, 320394340, 640788680, 1281577360]

約数ペア:

[(1, 1281577360), (2, 640788680), (4, 320394340), (5, 256315472), (7, 183082480), (8, 160197170), (10, 128157736), (14, 91541240), (16, 80098585), (19, 67451440), (20, 64078868), (28, 45770620), (35, 36616496), (38, 33725720), (40, 32039434), (49, 26154640), (56, 22885310), (70, 18308248), (76, 16862860), (80, 16019717), (95, 13490288), (98, 13077320), (112, 11442655), (133, 9635920), (140, 9154124), (152, 8431430), (190, 6745144), (196, 6538660), (245, 5230928), (266, 4817960), (280, 4577062), (304, 4215715), (380, 3372572), (392, 3269330), (490, 2615464), (532, 2408980), (560, 2288531), (665, 1927184), (760, 1686286), (784, 1634665), (931, 1376560), (980, 1307732), (1064, 1204490), (1330, 963592), (1520, 843143), (1862, 688280), (1960, 653866), (2128, 602245), (2660, 481796), (3724, 344140), (3920, 326933), (4655, 275312), (5320, 240898), (7448, 172070), (9310, 137656), (10640, 120449), (14896, 86035), (17207, 74480), (18620, 68828), (34414, 37240)]