1987560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5521}}^1$

素因数の和:5538

約数の個数: 48

約数和(自身を含む): 6460740

約数和(自身を除く): 4473180

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, 5521, 11042, 16563, 22084, 27605, 33126, 44168, 49689, 55210, 66252, 82815, 99378, 110420, 132504, 165630, 198756, 220840, 248445, 331260, 397512, 496890, 662520, 993780, 1987560]

約数ペア:

[(1, 1987560), (2, 993780), (3, 662520), (4, 496890), (5, 397512), (6, 331260), (8, 248445), (9, 220840), (10, 198756), (12, 165630), (15, 132504), (18, 110420), (20, 99378), (24, 82815), (30, 66252), (36, 55210), (40, 49689), (45, 44168), (60, 33126), (72, 27605), (90, 22084), (120, 16563), (180, 11042), (360, 5521)]