281177460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{520699}}^1$

素因数の和:520717

約数の個数: 48

約数和(自身を含む): 874776000

約数和(自身を除く): 593598540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 520699, 1041398, 1562097, 2082796, 2603495, 3124194, 4686291, 5206990, 6248388, 7810485, 9372582, 10413980, 14058873, 15620970, 18745164, 23431455, 28117746, 31241940, 46862910, 56235492, 70294365, 93725820, 140588730, 281177460]

約数ペア:

[(1, 281177460), (2, 140588730), (3, 93725820), (4, 70294365), (5, 56235492), (6, 46862910), (9, 31241940), (10, 28117746), (12, 23431455), (15, 18745164), (18, 15620970), (20, 14058873), (27, 10413980), (30, 9372582), (36, 7810485), (45, 6248388), (54, 5206990), (60, 4686291), (90, 3124194), (108, 2603495), (135, 2082796), (180, 1562097), (270, 1041398), (540, 520699)]