1262019840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{328651}}^1$

素因数の和:328675

約数の個数: 72

約数和(自身を含む): 4030588128

約数和(自身を除く): 2768568288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 328651, 657302, 985953, 1314604, 1643255, 1971906, 2629208, 3286510, 3943812, 4929765, 5258416, 6573020, 7887624, 9859530, 10516832, 13146040, 15775248, 19719060, 21033664, 26292080, 31550496, 39438120, 42067328, 52584160, 63100992, 78876240, 84134656, 105168320, 126201984, 157752480, 210336640, 252403968, 315504960, 420673280, 631009920, 1262019840]

約数ペア:

[(1, 1262019840), (2, 631009920), (3, 420673280), (4, 315504960), (5, 252403968), (6, 210336640), (8, 157752480), (10, 126201984), (12, 105168320), (15, 84134656), (16, 78876240), (20, 63100992), (24, 52584160), (30, 42067328), (32, 39438120), (40, 31550496), (48, 26292080), (60, 21033664), (64, 19719060), (80, 15775248), (96, 13146040), (120, 10516832), (128, 9859530), (160, 7887624), (192, 6573020), (240, 5258416), (256, 4929765), (320, 3943812), (384, 3286510), (480, 2629208), (640, 1971906), (768, 1643255), (960, 1314604), (1280, 985953), (1920, 657302), (3840, 328651)]