30641780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 70371840

約数和(自身を除く): 39730060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 1759, 3484, 3518, 4355, 7036, 8710, 8795, 17420, 17590, 22867, 35180, 45734, 91468, 114335, 117853, 228670, 235706, 457340, 471412, 589265, 1178530, 1532089, 2357060, 3064178, 6128356, 7660445, 15320890, 30641780]

約数ペア:

[(1, 30641780), (2, 15320890), (4, 7660445), (5, 6128356), (10, 3064178), (13, 2357060), (20, 1532089), (26, 1178530), (52, 589265), (65, 471412), (67, 457340), (130, 235706), (134, 228670), (260, 117853), (268, 114335), (335, 91468), (670, 45734), (871, 35180), (1340, 22867), (1742, 17590), (1759, 17420), (3484, 8795), (3518, 8710), (4355, 7036)]