138155520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17989}}^1$

素因数の和:18015

約数の個数: 80

約数和(自身を含む): 441690480

約数和(自身を除く): 303534960

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 17989, 35978, 53967, 71956, 89945, 107934, 143912, 179890, 215868, 269835, 287824, 359780, 431736, 539670, 575648, 719560, 863472, 1079340, 1151296, 1439120, 1726944, 2158680, 2302592, 2878240, 3453888, 4317360, 4605184, 5756480, 6907776, 8634720, 9210368, 11512960, 13815552, 17269440, 23025920, 27631104, 34538880, 46051840, 69077760, 138155520]

約数ペア:

[(1, 138155520), (2, 69077760), (3, 46051840), (4, 34538880), (5, 27631104), (6, 23025920), (8, 17269440), (10, 13815552), (12, 11512960), (15, 9210368), (16, 8634720), (20, 6907776), (24, 5756480), (30, 4605184), (32, 4317360), (40, 3453888), (48, 2878240), (60, 2302592), (64, 2158680), (80, 1726944), (96, 1439120), (120, 1151296), (128, 1079340), (160, 863472), (192, 719560), (240, 575648), (256, 539670), (320, 431736), (384, 359780), (480, 287824), (512, 269835), (640, 215868), (768, 179890), (960, 143912), (1280, 107934), (1536, 89945), (1920, 71956), (2560, 53967), (3840, 35978), (7680, 17989)]