78411420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{435619}}^1$

素因数の和:435634

約数の個数: 36

約数和(自身を含む): 237848520

約数和(自身を除く): 159437100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 435619, 871238, 1306857, 1742476, 2178095, 2613714, 3920571, 4356190, 5227428, 6534285, 7841142, 8712380, 13068570, 15682284, 19602855, 26137140, 39205710, 78411420]

約数ペア:

[(1, 78411420), (2, 39205710), (3, 26137140), (4, 19602855), (5, 15682284), (6, 13068570), (9, 8712380), (10, 7841142), (12, 6534285), (15, 5227428), (18, 4356190), (20, 3920571), (30, 2613714), (36, 2178095), (45, 1742476), (60, 1306857), (90, 871238), (180, 435619)]