80874240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21061}}^1$

素因数の和:21085

約数の個数: 72

約数和(自身を含む): 258304368

約数和(自身を除く): 177430128

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, 21061, 42122, 63183, 84244, 105305, 126366, 168488, 210610, 252732, 315915, 336976, 421220, 505464, 631830, 673952, 842440, 1010928, 1263660, 1347904, 1684880, 2021856, 2527320, 2695808, 3369760, 4043712, 5054640, 5391616, 6739520, 8087424, 10109280, 13479040, 16174848, 20218560, 26958080, 40437120, 80874240]

約数ペア:

[(1, 80874240), (2, 40437120), (3, 26958080), (4, 20218560), (5, 16174848), (6, 13479040), (8, 10109280), (10, 8087424), (12, 6739520), (15, 5391616), (16, 5054640), (20, 4043712), (24, 3369760), (30, 2695808), (32, 2527320), (40, 2021856), (48, 1684880), (60, 1347904), (64, 1263660), (80, 1010928), (96, 842440), (120, 673952), (128, 631830), (160, 505464), (192, 421220), (240, 336976), (256, 315915), (320, 252732), (384, 210610), (480, 168488), (640, 126366), (768, 105305), (960, 84244), (1280, 63183), (1920, 42122), (3840, 21061)]