28388520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78857}}^1$

素因数の和:78874

約数の個数: 48

約数和(自身を含む): 92263860

約数和(自身を除く): 63875340

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, 78857, 157714, 236571, 315428, 394285, 473142, 630856, 709713, 788570, 946284, 1182855, 1419426, 1577140, 1892568, 2365710, 2838852, 3154280, 3548565, 4731420, 5677704, 7097130, 9462840, 14194260, 28388520]

約数ペア:

[(1, 28388520), (2, 14194260), (3, 9462840), (4, 7097130), (5, 5677704), (6, 4731420), (8, 3548565), (9, 3154280), (10, 2838852), (12, 2365710), (15, 1892568), (18, 1577140), (20, 1419426), (24, 1182855), (30, 946284), (36, 788570), (40, 709713), (45, 630856), (60, 473142), (72, 394285), (90, 315428), (120, 236571), (180, 157714), (360, 78857)]