87447780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69403}}^1$

素因数の和:69425

約数の個数: 72

約数和(自身を含む): 303156672

約数和(自身を除く): 215708892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 69403, 138806, 208209, 277612, 347015, 416418, 485821, 624627, 694030, 832836, 971642, 1041045, 1249254, 1388060, 1457463, 1943284, 2082090, 2429105, 2498508, 2914926, 3123135, 4164180, 4372389, 4858210, 5829852, 6246270, 7287315, 8744778, 9716420, 12492540, 14574630, 17489556, 21861945, 29149260, 43723890, 87447780]

約数ペア:

[(1, 87447780), (2, 43723890), (3, 29149260), (4, 21861945), (5, 17489556), (6, 14574630), (7, 12492540), (9, 9716420), (10, 8744778), (12, 7287315), (14, 6246270), (15, 5829852), (18, 4858210), (20, 4372389), (21, 4164180), (28, 3123135), (30, 2914926), (35, 2498508), (36, 2429105), (42, 2082090), (45, 1943284), (60, 1457463), (63, 1388060), (70, 1249254), (84, 1041045), (90, 971642), (105, 832836), (126, 694030), (140, 624627), (180, 485821), (210, 416418), (252, 347015), (315, 277612), (420, 208209), (630, 138806), (1260, 69403)]