2545860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 7201152

約数和(自身を除く): 4655292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 281, 302, 453, 562, 604, 755, 843, 906, 1124, 1405, 1510, 1686, 1812, 2265, 2810, 3020, 3372, 4215, 4530, 5620, 8430, 9060, 16860, 42431, 84862, 127293, 169724, 212155, 254586, 424310, 509172, 636465, 848620, 1272930, 2545860]

約数ペア:

[(1, 2545860), (2, 1272930), (3, 848620), (4, 636465), (5, 509172), (6, 424310), (10, 254586), (12, 212155), (15, 169724), (20, 127293), (30, 84862), (60, 42431), (151, 16860), (281, 9060), (302, 8430), (453, 5620), (562, 4530), (604, 4215), (755, 3372), (843, 3020), (906, 2810), (1124, 2265), (1405, 1812), (1510, 1686)]