128223030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328777}}^1$

素因数の和:328800

約数の個数: 32

約数和(自身を含む): 331408224

約数和(自身を除く): 203185194

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 328777, 657554, 986331, 1643885, 1972662, 3287770, 4274101, 4931655, 8548202, 9863310, 12822303, 21370505, 25644606, 42741010, 64111515, 128223030]

約数ペア:

[(1, 128223030), (2, 64111515), (3, 42741010), (5, 25644606), (6, 21370505), (10, 12822303), (13, 9863310), (15, 8548202), (26, 4931655), (30, 4274101), (39, 3287770), (65, 1972662), (78, 1643885), (130, 986331), (195, 657554), (390, 328777)]