81813150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:946

約数の個数: 72

約数和(自身を含む): 220927824

約数和(自身を除く): 139114674

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 281, 450, 562, 647, 843, 1294, 1405, 1686, 1941, 2529, 2810, 3235, 3882, 4215, 5058, 5823, 6470, 7025, 8430, 9705, 11646, 12645, 14050, 16175, 19410, 21075, 25290, 29115, 32350, 42150, 48525, 58230, 63225, 97050, 126450, 145575, 181807, 291150, 363614, 545421, 909035, 1090842, 1636263, 1818070, 2727105, 3272526, 4545175, 5454210, 8181315, 9090350, 13635525, 16362630, 27271050, 40906575, 81813150]

約数ペア:

[(1, 81813150), (2, 40906575), (3, 27271050), (5, 16362630), (6, 13635525), (9, 9090350), (10, 8181315), (15, 5454210), (18, 4545175), (25, 3272526), (30, 2727105), (45, 1818070), (50, 1636263), (75, 1090842), (90, 909035), (150, 545421), (225, 363614), (281, 291150), (450, 181807), (562, 145575), (647, 126450), (843, 97050), (1294, 63225), (1405, 58230), (1686, 48525), (1941, 42150), (2529, 32350), (2810, 29115), (3235, 25290), (3882, 21075), (4215, 19410), (5058, 16175), (5823, 14050), (6470, 12645), (7025, 11646), (8430, 9705)]