81461670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 202535424

約数和(自身を除く): 121073754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 103, 123, 205, 206, 246, 309, 410, 515, 615, 618, 643, 1030, 1230, 1286, 1545, 1929, 3090, 3215, 3858, 4223, 6430, 8446, 9645, 12669, 19290, 21115, 25338, 26363, 42230, 52726, 63345, 66229, 79089, 126690, 131815, 132458, 158178, 198687, 263630, 331145, 395445, 397374, 662290, 790890, 993435, 1986870, 2715389, 5430778, 8146167, 13576945, 16292334, 27153890, 40730835, 81461670]

約数ペア:

[(1, 81461670), (2, 40730835), (3, 27153890), (5, 16292334), (6, 13576945), (10, 8146167), (15, 5430778), (30, 2715389), (41, 1986870), (82, 993435), (103, 790890), (123, 662290), (205, 397374), (206, 395445), (246, 331145), (309, 263630), (410, 198687), (515, 158178), (615, 132458), (618, 131815), (643, 126690), (1030, 79089), (1230, 66229), (1286, 63345), (1545, 52726), (1929, 42230), (3090, 26363), (3215, 25338), (3858, 21115), (4223, 19290), (6430, 12669), (8446, 9645)]