210945540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270443}}^1$

素因数の和:270468

約数の個数: 48

約数和(自身を含む): 636084288

約数和(自身を除く): 425138748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 270443, 540886, 811329, 1081772, 1352215, 1622658, 2704430, 3245316, 3515759, 4056645, 5408860, 7031518, 8113290, 10547277, 14063036, 16226580, 17578795, 21094554, 35157590, 42189108, 52736385, 70315180, 105472770, 210945540]

約数ペア:

[(1, 210945540), (2, 105472770), (3, 70315180), (4, 52736385), (5, 42189108), (6, 35157590), (10, 21094554), (12, 17578795), (13, 16226580), (15, 14063036), (20, 10547277), (26, 8113290), (30, 7031518), (39, 5408860), (52, 4056645), (60, 3515759), (65, 3245316), (78, 2704430), (130, 1622658), (156, 1352215), (195, 1081772), (260, 811329), (390, 540886), (780, 270443)]