861019560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{2391721}}^1$

素因数の和:2391738

約数の個数: 48

約数和(自身を含む): 2798314740

約数和(自身を除く): 1937295180

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, 2391721, 4783442, 7175163, 9566884, 11958605, 14350326, 19133768, 21525489, 23917210, 28700652, 35875815, 43050978, 47834420, 57401304, 71751630, 86101956, 95668840, 107627445, 143503260, 172203912, 215254890, 287006520, 430509780, 861019560]

約数ペア:

[(1, 861019560), (2, 430509780), (3, 287006520), (4, 215254890), (5, 172203912), (6, 143503260), (8, 107627445), (9, 95668840), (10, 86101956), (12, 71751630), (15, 57401304), (18, 47834420), (20, 43050978), (24, 35875815), (30, 28700652), (36, 23917210), (40, 21525489), (45, 19133768), (60, 14350326), (72, 11958605), (90, 9566884), (120, 7175163), (180, 4783442), (360, 2391721)]