2018777940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{44683}}^1$

素因数の和:44949

約数の個数: 72

約数和(自身を含む): 6148160928

約数和(自身を除く): 4129382988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7530, 9036, 11295, 15060, 22590, 44683, 45180, 89366, 134049, 178732, 223415, 268098, 402147, 446830, 536196, 670245, 804294, 893660, 1340490, 1608588, 2010735, 2680980, 4021470, 8042940, 11215433, 22430866, 33646299, 44861732, 56077165, 67292598, 100938897, 112154330, 134585196, 168231495, 201877794, 224308660, 336462990, 403755588, 504694485, 672925980, 1009388970, 2018777940]

約数ペア:

[(1, 2018777940), (2, 1009388970), (3, 672925980), (4, 504694485), (5, 403755588), (6, 336462990), (9, 224308660), (10, 201877794), (12, 168231495), (15, 134585196), (18, 112154330), (20, 100938897), (30, 67292598), (36, 56077165), (45, 44861732), (60, 33646299), (90, 22430866), (180, 11215433), (251, 8042940), (502, 4021470), (753, 2680980), (1004, 2010735), (1255, 1608588), (1506, 1340490), (2259, 893660), (2510, 804294), (3012, 670245), (3765, 536196), (4518, 446830), (5020, 402147), (7530, 268098), (9036, 223415), (11295, 178732), (15060, 134049), (22590, 89366), (44683, 45180)]