30453040

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1993}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 71209728

約数和(自身を除く): 40756688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 1993, 3056, 3820, 3986, 7640, 7972, 9965, 15280, 15944, 19930, 31888, 39860, 79720, 159440, 380663, 761326, 1522652, 1903315, 3045304, 3806630, 6090608, 7613260, 15226520, 30453040]

約数ペア:

[(1, 30453040), (2, 15226520), (4, 7613260), (5, 6090608), (8, 3806630), (10, 3045304), (16, 1903315), (20, 1522652), (40, 761326), (80, 380663), (191, 159440), (382, 79720), (764, 39860), (955, 31888), (1528, 19930), (1910, 15944), (1993, 15280), (3056, 9965), (3820, 7972), (3986, 7640)]