1531249995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 2966261760

約数和(自身を除く): 1435011765

約数列:

[1, 3, 5, 11, 15, 19, 33, 37, 43, 55, 57, 95, 111, 129, 165, 185, 209, 215, 285, 307, 407, 473, 555, 627, 645, 703, 817, 921, 1045, 1221, 1419, 1535, 1591, 2035, 2109, 2365, 2451, 3135, 3377, 3515, 4085, 4605, 4773, 5833, 6105, 7095, 7733, 7955, 8987, 10131, 10545, 11359, 12255, 13201, 16885, 17499, 17501, 23199, 23865, 26961, 29165, 30229, 34077, 38665, 39603, 44935, 50655, 52503, 56795, 64163, 66005, 87495, 87505, 90687, 115995, 124949, 134805, 145211, 151145, 170385, 192489, 198015, 215821, 250819, 262515, 320815, 332519, 374847, 435633, 453435, 488437, 624745, 647463, 726055, 752457, 962445, 997557, 1079105, 1254095, 1465311, 1662595, 1874235, 2178165, 2374031, 2442185, 2759009, 3237315, 3762285, 4987785, 5372807, 7122093, 7326555, 8277027, 9280303, 11870155, 13795045, 16118421, 26864035, 27840909, 35610465, 41385135, 46401515, 80592105, 102083333, 139204545, 306249999, 510416665, 1531249995]

約数ペア:

[(1, 1531249995), (3, 510416665), (5, 306249999), (11, 139204545), (15, 102083333), (19, 80592105), (33, 46401515), (37, 41385135), (43, 35610465), (55, 27840909), (57, 26864035), (95, 16118421), (111, 13795045), (129, 11870155), (165, 9280303), (185, 8277027), (209, 7326555), (215, 7122093), (285, 5372807), (307, 4987785), (407, 3762285), (473, 3237315), (555, 2759009), (627, 2442185), (645, 2374031), (703, 2178165), (817, 1874235), (921, 1662595), (1045, 1465311), (1221, 1254095), (1419, 1079105), (1535, 997557), (1591, 962445), (2035, 752457), (2109, 726055), (2365, 647463), (2451, 624745), (3135, 488437), (3377, 453435), (3515, 435633), (4085, 374847), (4605, 332519), (4773, 320815), (5833, 262515), (6105, 250819), (7095, 215821), (7733, 198015), (7955, 192489), (8987, 170385), (10131, 151145), (10545, 145211), (11359, 134805), (12255, 124949), (13201, 115995), (16885, 90687), (17499, 87505), (17501, 87495), (23199, 66005), (23865, 64163), (26961, 56795), (29165, 52503), (30229, 50655), (34077, 44935), (38665, 39603)]