127528020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{78721}}^1$

素因数の和:78742

約数の個数: 60

約数和(自身を含む): 400065204

約数和(自身を除く): 272537184

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 78721, 157442, 236163, 314884, 393605, 472326, 708489, 787210, 944652, 1180815, 1416978, 1574420, 2125467, 2361630, 2833956, 3542445, 4250934, 4723260, 6376401, 7084890, 8501868, 10627335, 12752802, 14169780, 21254670, 25505604, 31882005, 42509340, 63764010, 127528020]

約数ペア:

[(1, 127528020), (2, 63764010), (3, 42509340), (4, 31882005), (5, 25505604), (6, 21254670), (9, 14169780), (10, 12752802), (12, 10627335), (15, 8501868), (18, 7084890), (20, 6376401), (27, 4723260), (30, 4250934), (36, 3542445), (45, 2833956), (54, 2361630), (60, 2125467), (81, 1574420), (90, 1416978), (108, 1180815), (135, 944652), (162, 787210), (180, 708489), (270, 472326), (324, 393605), (405, 314884), (540, 236163), (810, 157442), (1620, 78721)]