31387320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{87187}}^1$

素因数の和:87204

約数の個数: 48

約数和(自身を含む): 102009960

約数和(自身を除く): 70622640

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, 87187, 174374, 261561, 348748, 435935, 523122, 697496, 784683, 871870, 1046244, 1307805, 1569366, 1743740, 2092488, 2615610, 3138732, 3487480, 3923415, 5231220, 6277464, 7846830, 10462440, 15693660, 31387320]

約数ペア:

[(1, 31387320), (2, 15693660), (3, 10462440), (4, 7846830), (5, 6277464), (6, 5231220), (8, 3923415), (9, 3487480), (10, 3138732), (12, 2615610), (15, 2092488), (18, 1743740), (20, 1569366), (24, 1307805), (30, 1046244), (36, 871870), (40, 784683), (45, 697496), (60, 523122), (72, 435935), (90, 348748), (120, 261561), (180, 174374), (360, 87187)]