421878780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{260419}}^1$

素因数の和:260440

約数の個数: 60

約数和(自身を含む): 1323454440

約数和(自身を除く): 901575660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 260419, 520838, 781257, 1041676, 1302095, 1562514, 2343771, 2604190, 3125028, 3906285, 4687542, 5208380, 7031313, 7812570, 9375084, 11718855, 14062626, 15625140, 21093939, 23437710, 28125252, 35156565, 42187878, 46875420, 70313130, 84375756, 105469695, 140626260, 210939390, 421878780]

約数ペア:

[(1, 421878780), (2, 210939390), (3, 140626260), (4, 105469695), (5, 84375756), (6, 70313130), (9, 46875420), (10, 42187878), (12, 35156565), (15, 28125252), (18, 23437710), (20, 21093939), (27, 15625140), (30, 14062626), (36, 11718855), (45, 9375084), (54, 7812570), (60, 7031313), (81, 5208380), (90, 4687542), (108, 3906285), (135, 3125028), (162, 2604190), (180, 2343771), (270, 1562514), (324, 1302095), (405, 1041676), (540, 781257), (810, 520838), (1620, 260419)]