81703680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21277}}^1$

素因数の和:21301

約数の個数: 72

約数和(自身を含む): 260953392

約数和(自身を除く): 179249712

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, 21277, 42554, 63831, 85108, 106385, 127662, 170216, 212770, 255324, 319155, 340432, 425540, 510648, 638310, 680864, 851080, 1021296, 1276620, 1361728, 1702160, 2042592, 2553240, 2723456, 3404320, 4085184, 5106480, 5446912, 6808640, 8170368, 10212960, 13617280, 16340736, 20425920, 27234560, 40851840, 81703680]

約数ペア:

[(1, 81703680), (2, 40851840), (3, 27234560), (4, 20425920), (5, 16340736), (6, 13617280), (8, 10212960), (10, 8170368), (12, 6808640), (15, 5446912), (16, 5106480), (20, 4085184), (24, 3404320), (30, 2723456), (32, 2553240), (40, 2042592), (48, 1702160), (60, 1361728), (64, 1276620), (80, 1021296), (96, 851080), (120, 680864), (128, 638310), (160, 510648), (192, 425540), (240, 340432), (256, 319155), (320, 255324), (384, 212770), (480, 170216), (640, 127662), (768, 106385), (960, 85108), (1280, 63831), (1920, 42554), (3840, 21277)]