1215546880

素因数分解:

$2^9\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1039}}^1$

素因数の和:1519

約数の個数: 80

約数和(自身を含む): 2923652160

約数和(自身を除く): 1708105280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 457, 512, 640, 914, 1039, 1280, 1828, 2078, 2285, 2560, 3656, 4156, 4570, 5195, 7312, 8312, 9140, 10390, 14624, 16624, 18280, 20780, 29248, 33248, 36560, 41560, 58496, 66496, 73120, 83120, 116992, 132992, 146240, 166240, 233984, 265984, 292480, 332480, 474823, 531968, 584960, 664960, 949646, 1169920, 1329920, 1899292, 2374115, 2659840, 3798584, 4748230, 7597168, 9496460, 15194336, 18992920, 30388672, 37985840, 60777344, 75971680, 121554688, 151943360, 243109376, 303886720, 607773440, 1215546880]

約数ペア:

[(1, 1215546880), (2, 607773440), (4, 303886720), (5, 243109376), (8, 151943360), (10, 121554688), (16, 75971680), (20, 60777344), (32, 37985840), (40, 30388672), (64, 18992920), (80, 15194336), (128, 9496460), (160, 7597168), (256, 4748230), (320, 3798584), (457, 2659840), (512, 2374115), (640, 1899292), (914, 1329920), (1039, 1169920), (1280, 949646), (1828, 664960), (2078, 584960), (2285, 531968), (2560, 474823), (3656, 332480), (4156, 292480), (4570, 265984), (5195, 233984), (7312, 166240), (8312, 146240), (9140, 132992), (10390, 116992), (14624, 83120), (16624, 73120), (18280, 66496), (20780, 58496), (29248, 41560), (33248, 36560)]