400776960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{104369}}^1$

素因数の和:104393

約数の個数: 72

約数和(自身を含む): 1279993680

約数和(自身を除く): 879216720

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, 104369, 208738, 313107, 417476, 521845, 626214, 834952, 1043690, 1252428, 1565535, 1669904, 2087380, 2504856, 3131070, 3339808, 4174760, 5009712, 6262140, 6679616, 8349520, 10019424, 12524280, 13359232, 16699040, 20038848, 25048560, 26718464, 33398080, 40077696, 50097120, 66796160, 80155392, 100194240, 133592320, 200388480, 400776960]

約数ペア:

[(1, 400776960), (2, 200388480), (3, 133592320), (4, 100194240), (5, 80155392), (6, 66796160), (8, 50097120), (10, 40077696), (12, 33398080), (15, 26718464), (16, 25048560), (20, 20038848), (24, 16699040), (30, 13359232), (32, 12524280), (40, 10019424), (48, 8349520), (60, 6679616), (64, 6262140), (80, 5009712), (96, 4174760), (120, 3339808), (128, 3131070), (160, 2504856), (192, 2087380), (240, 1669904), (256, 1565535), (320, 1252428), (384, 1043690), (480, 834952), (640, 626214), (768, 521845), (960, 417476), (1280, 313107), (1920, 208738), (3840, 104369)]