79287480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{220243}}^1$

素因数の和:220260

約数の個数: 48

約数和(自身を含む): 257685480

約数和(自身を除く): 178398000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 220243, 440486, 660729, 880972, 1101215, 1321458, 1761944, 1982187, 2202430, 2642916, 3303645, 3964374, 4404860, 5285832, 6607290, 7928748, 8809720, 9910935, 13214580, 15857496, 19821870, 26429160, 39643740, 79287480]

約数ペア:

[(1, 79287480), (2, 39643740), (3, 26429160), (4, 19821870), (5, 15857496), (6, 13214580), (8, 9910935), (9, 8809720), (10, 7928748), (12, 6607290), (15, 5285832), (18, 4404860), (20, 3964374), (24, 3303645), (30, 2642916), (36, 2202430), (40, 1982187), (45, 1761944), (60, 1321458), (72, 1101215), (90, 880972), (120, 660729), (180, 440486), (360, 220243)]