138818520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385607}}^1$

素因数の和:385624

約数の個数: 48

約数和(自身を含む): 451161360

約数和(自身を除く): 312342840

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, 385607, 771214, 1156821, 1542428, 1928035, 2313642, 3084856, 3470463, 3856070, 4627284, 5784105, 6940926, 7712140, 9254568, 11568210, 13881852, 15424280, 17352315, 23136420, 27763704, 34704630, 46272840, 69409260, 138818520]

約数ペア:

[(1, 138818520), (2, 69409260), (3, 46272840), (4, 34704630), (5, 27763704), (6, 23136420), (8, 17352315), (9, 15424280), (10, 13881852), (12, 11568210), (15, 9254568), (18, 7712140), (20, 6940926), (24, 5784105), (30, 4627284), (36, 3856070), (40, 3470463), (45, 3084856), (60, 2313642), (72, 1928035), (90, 1542428), (120, 1156821), (180, 771214), (360, 385607)]