40161780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 122365152

約数和(自身を除く): 82203372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 643, 694, 1041, 1286, 1388, 1735, 1929, 2082, 2572, 3123, 3215, 3470, 3858, 4164, 5205, 5787, 6246, 6430, 6940, 7716, 9645, 10410, 11574, 12492, 12860, 15615, 19290, 20820, 23148, 28935, 31230, 38580, 57870, 62460, 115740, 223121, 446242, 669363, 892484, 1115605, 1338726, 2008089, 2231210, 2677452, 3346815, 4016178, 4462420, 6693630, 8032356, 10040445, 13387260, 20080890, 40161780]

約数ペア:

[(1, 40161780), (2, 20080890), (3, 13387260), (4, 10040445), (5, 8032356), (6, 6693630), (9, 4462420), (10, 4016178), (12, 3346815), (15, 2677452), (18, 2231210), (20, 2008089), (30, 1338726), (36, 1115605), (45, 892484), (60, 669363), (90, 446242), (180, 223121), (347, 115740), (643, 62460), (694, 57870), (1041, 38580), (1286, 31230), (1388, 28935), (1735, 23148), (1929, 20820), (2082, 19290), (2572, 15615), (3123, 12860), (3215, 12492), (3470, 11574), (3858, 10410), (4164, 9645), (5205, 7716), (5787, 6940), (6246, 6430)]