1520291025

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:685

約数の個数: 120

約数和(自身を含む): 3101506848

約数和(自身を除く): 1581215823

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 131, 135, 165, 225, 275, 297, 393, 405, 495, 521, 655, 675, 825, 891, 1179, 1441, 1485, 1563, 1965, 2025, 2475, 2605, 3275, 3537, 4323, 4455, 4689, 5731, 5895, 7205, 7425, 7815, 9825, 10611, 12969, 13025, 14067, 17193, 17685, 21615, 22275, 23445, 28655, 29475, 36025, 38907, 39075, 42201, 51579, 53055, 64845, 68251, 70335, 85965, 88425, 108075, 116721, 117225, 143275, 154737, 194535, 204753, 211005, 257895, 265275, 324225, 341255, 351675, 429825, 464211, 583605, 614259, 750761, 773685, 972675, 1023765, 1055025, 1289475, 1706275, 1842777, 2252283, 2321055, 2918025, 3071295, 3753805, 3868425, 5118825, 5528331, 6756849, 9213885, 11261415, 11605275, 15356475, 18769025, 20270547, 27641655, 33784245, 46069425, 56307075, 60811641, 101352735, 138208275, 168921225, 304058205, 506763675, 1520291025]

約数ペア:

[(1, 1520291025), (3, 506763675), (5, 304058205), (9, 168921225), (11, 138208275), (15, 101352735), (25, 60811641), (27, 56307075), (33, 46069425), (45, 33784245), (55, 27641655), (75, 20270547), (81, 18769025), (99, 15356475), (131, 11605275), (135, 11261415), (165, 9213885), (225, 6756849), (275, 5528331), (297, 5118825), (393, 3868425), (405, 3753805), (495, 3071295), (521, 2918025), (655, 2321055), (675, 2252283), (825, 1842777), (891, 1706275), (1179, 1289475), (1441, 1055025), (1485, 1023765), (1563, 972675), (1965, 773685), (2025, 750761), (2475, 614259), (2605, 583605), (3275, 464211), (3537, 429825), (4323, 351675), (4455, 341255), (4689, 324225), (5731, 265275), (5895, 257895), (7205, 211005), (7425, 204753), (7815, 194535), (9825, 154737), (10611, 143275), (12969, 117225), (13025, 116721), (14067, 108075), (17193, 88425), (17685, 85965), (21615, 70335), (22275, 68251), (23445, 64845), (28655, 53055), (29475, 51579), (36025, 42201), (38907, 39075)]