128497860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237959}}^1$

素因数の和:237977

約数の個数: 48

約数和(自身を含む): 399772800

約数和(自身を除く): 271274940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237959, 475918, 713877, 951836, 1189795, 1427754, 2141631, 2379590, 2855508, 3569385, 4283262, 4759180, 6424893, 7138770, 8566524, 10708155, 12849786, 14277540, 21416310, 25699572, 32124465, 42832620, 64248930, 128497860]

約数ペア:

[(1, 128497860), (2, 64248930), (3, 42832620), (4, 32124465), (5, 25699572), (6, 21416310), (9, 14277540), (10, 12849786), (12, 10708155), (15, 8566524), (18, 7138770), (20, 6424893), (27, 4759180), (30, 4283262), (36, 3569385), (45, 2855508), (54, 2379590), (60, 2141631), (90, 1427754), (108, 1189795), (135, 951836), (180, 713877), (270, 475918), (540, 237959)]