42740520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{356171}}^1$

素因数の和:356185

約数の個数: 32

約数和(自身を含む): 128221920

約数和(自身を除く): 85481400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 356171, 712342, 1068513, 1424684, 1780855, 2137026, 2849368, 3561710, 4274052, 5342565, 7123420, 8548104, 10685130, 14246840, 21370260, 42740520]

約数ペア:

[(1, 42740520), (2, 21370260), (3, 14246840), (4, 10685130), (5, 8548104), (6, 7123420), (8, 5342565), (10, 4274052), (12, 3561710), (15, 2849368), (20, 2137026), (24, 1780855), (30, 1424684), (40, 1068513), (60, 712342), (120, 356171)]