1520408925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7369}}^1$

素因数の和:7523

約数の個数: 72

約数和(自身を含む): 3136436160

約数和(自身を除く): 1616027235

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 131, 175, 225, 315, 393, 525, 655, 917, 1179, 1575, 1965, 2751, 3275, 4585, 5895, 7369, 8253, 9825, 13755, 22107, 22925, 29475, 36845, 41265, 51583, 66321, 68775, 110535, 154749, 184225, 206325, 257915, 331605, 464247, 552675, 773745, 965339, 1289575, 1658025, 2321235, 2896017, 3868725, 4826695, 6757373, 8688051, 11606175, 14480085, 20272119, 24133475, 33786865, 43440255, 60816357, 72400425, 101360595, 168934325, 217201275, 304081785, 506802975, 1520408925]

約数ペア:

[(1, 1520408925), (3, 506802975), (5, 304081785), (7, 217201275), (9, 168934325), (15, 101360595), (21, 72400425), (25, 60816357), (35, 43440255), (45, 33786865), (63, 24133475), (75, 20272119), (105, 14480085), (131, 11606175), (175, 8688051), (225, 6757373), (315, 4826695), (393, 3868725), (525, 2896017), (655, 2321235), (917, 1658025), (1179, 1289575), (1575, 965339), (1965, 773745), (2751, 552675), (3275, 464247), (4585, 331605), (5895, 257915), (7369, 206325), (8253, 184225), (9825, 154749), (13755, 110535), (22107, 68775), (22925, 66321), (29475, 51583), (36845, 41265)]