28807560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{80021}}^1$

素因数の和:80038

約数の個数: 48

約数和(自身を含む): 93625740

約数和(自身を除く): 64818180

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, 80021, 160042, 240063, 320084, 400105, 480126, 640168, 720189, 800210, 960252, 1200315, 1440378, 1600420, 1920504, 2400630, 2880756, 3200840, 3600945, 4801260, 5761512, 7201890, 9602520, 14403780, 28807560]

約数ペア:

[(1, 28807560), (2, 14403780), (3, 9602520), (4, 7201890), (5, 5761512), (6, 4801260), (8, 3600945), (9, 3200840), (10, 2880756), (12, 2400630), (15, 1920504), (18, 1600420), (20, 1440378), (24, 1200315), (30, 960252), (36, 800210), (40, 720189), (45, 640168), (60, 480126), (72, 400105), (90, 320084), (120, 240063), (180, 160042), (360, 80021)]