2581567440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{5519}}^1$

素因数の和:7484

約数の個数: 80

約数和(自身を含む): 8008416000

約数和(自身を除く): 5426848560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1949, 3898, 5519, 5847, 7796, 9745, 11038, 11694, 15592, 16557, 19490, 22076, 23388, 27595, 29235, 31184, 33114, 38980, 44152, 46776, 55190, 58470, 66228, 77960, 82785, 88304, 93552, 110380, 116940, 132456, 155920, 165570, 220760, 233880, 264912, 331140, 441520, 467760, 662280, 1324560, 10756531, 21513062, 32269593, 43026124, 53782655, 64539186, 86052248, 107565310, 129078372, 161347965, 172104496, 215130620, 258156744, 322695930, 430261240, 516313488, 645391860, 860522480, 1290783720, 2581567440]

約数ペア:

[(1, 2581567440), (2, 1290783720), (3, 860522480), (4, 645391860), (5, 516313488), (6, 430261240), (8, 322695930), (10, 258156744), (12, 215130620), (15, 172104496), (16, 161347965), (20, 129078372), (24, 107565310), (30, 86052248), (40, 64539186), (48, 53782655), (60, 43026124), (80, 32269593), (120, 21513062), (240, 10756531), (1949, 1324560), (3898, 662280), (5519, 467760), (5847, 441520), (7796, 331140), (9745, 264912), (11038, 233880), (11694, 220760), (15592, 165570), (16557, 155920), (19490, 132456), (22076, 116940), (23388, 110380), (27595, 93552), (29235, 88304), (31184, 82785), (33114, 77960), (38980, 66228), (44152, 58470), (46776, 55190)]