256388940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9433}}^1$

素因数の和:9599

約数の個数: 72

約数和(自身を含む): 782946528

約数和(自身を除く): 526557588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 3020, 4530, 5436, 6795, 9060, 9433, 13590, 18866, 27180, 28299, 37732, 47165, 56598, 84897, 94330, 113196, 141495, 169794, 188660, 282990, 339588, 424485, 565980, 848970, 1424383, 1697940, 2848766, 4273149, 5697532, 7121915, 8546298, 12819447, 14243830, 17092596, 21365745, 25638894, 28487660, 42731490, 51277788, 64097235, 85462980, 128194470, 256388940]

約数ペア:

[(1, 256388940), (2, 128194470), (3, 85462980), (4, 64097235), (5, 51277788), (6, 42731490), (9, 28487660), (10, 25638894), (12, 21365745), (15, 17092596), (18, 14243830), (20, 12819447), (30, 8546298), (36, 7121915), (45, 5697532), (60, 4273149), (90, 2848766), (151, 1697940), (180, 1424383), (302, 848970), (453, 565980), (604, 424485), (755, 339588), (906, 282990), (1359, 188660), (1510, 169794), (1812, 141495), (2265, 113196), (2718, 94330), (3020, 84897), (4530, 56598), (5436, 47165), (6795, 37732), (9060, 28299), (9433, 27180), (13590, 18866)]