163061720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^2$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 383752080

約数和(自身を除く): 220690360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 421, 460, 842, 920, 1684, 2105, 3368, 4210, 8420, 9683, 16840, 19366, 38732, 48415, 77464, 96830, 177241, 193660, 354482, 387320, 708964, 886205, 1417928, 1772410, 3544820, 4076543, 7089640, 8153086, 16306172, 20382715, 32612344, 40765430, 81530860, 163061720]

約数ペア:

[(1, 163061720), (2, 81530860), (4, 40765430), (5, 32612344), (8, 20382715), (10, 16306172), (20, 8153086), (23, 7089640), (40, 4076543), (46, 3544820), (92, 1772410), (115, 1417928), (184, 886205), (230, 708964), (421, 387320), (460, 354482), (842, 193660), (920, 177241), (1684, 96830), (2105, 77464), (3368, 48415), (4210, 38732), (8420, 19366), (9683, 16840)]