72230775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 126087168

約数和(自身を除く): 53856393

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 155, 235, 465, 661, 705, 775, 1175, 1457, 1983, 2325, 3305, 3525, 4371, 7285, 9915, 16525, 20491, 21855, 31067, 36425, 49575, 61473, 93201, 102455, 109275, 155335, 307365, 466005, 512275, 776675, 963077, 1536825, 2330025, 2889231, 4815385, 14446155, 24076925, 72230775]

約数ペア:

[(1, 72230775), (3, 24076925), (5, 14446155), (15, 4815385), (25, 2889231), (31, 2330025), (47, 1536825), (75, 963077), (93, 776675), (141, 512275), (155, 466005), (235, 307365), (465, 155335), (661, 109275), (705, 102455), (775, 93201), (1175, 61473), (1457, 49575), (1983, 36425), (2325, 31067), (3305, 21855), (3525, 20491), (4371, 16525), (7285, 9915)]